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国鉄青15号 インクブルー

#243d5c

国鉄制定の塗装色

深い青紫系の色

[RGB] R:36 G:61 B:92

[HSB] H:213 S:61 B:36

[L*a*b*] L*:25.21 a*:0.89 b*:-21.4

[CMYK] C:92% M:81% Y:51% K:17%

[HSL] H:213 S:44 L:25

[OKLCH] L:35.5% C:0.063 H:254.5

[Display-P3] R:0.1633 G:0.2367 B:0.3511

[コントラスト比] Aa 白 11.06:1 ◎　Aa 黒 1.89:1 ×

国鉄青15号（インクブルー）は、レールカラーに収録されている深い青紫系の色です。カラーコードは#243d5c、RGBでは赤36・緑61・青92、CMYKではC92% M81% Y51% K17%で表します。

色相 #5c2424 H:360 S:61 B:36 #5c242d H:350 S:61 B:36 #5c2436 H:340 S:61 B:36 #5c2440 H:330 S:61 B:36 #5c2449 H:320 S:61 B:36 #5c2452 H:310 S:61 B:36 #5c245c H:300 S:61 B:36 #52245c H:290 S:61 B:36 #49245c H:280 S:61 B:36 #40245c H:270 S:61 B:36 #36245c H:260 S:61 B:36 #2d245c H:250 S:61 B:36 #24245c H:240 S:61 B:36 #242d5c H:230 S:61 B:36 #24365c H:220 S:61 B:36 #24405c H:210 S:61 B:36 #24495c H:200 S:61 B:36 #24525c H:190 S:61 B:36 #245c5c H:180 S:61 B:36 #245c52 H:170 S:61 B:36 #245c49 H:160 S:61 B:36 #245c40 H:150 S:61 B:36 #245c36 H:140 S:61 B:36 #245c2d H:130 S:61 B:36 #245c24 H:120 S:61 B:36 #2d5c24 H:110 S:61 B:36 #365c24 H:100 S:61 B:36 #405c24 H:90 S:61 B:36 #495c24 H:80 S:61 B:36 #525c24 H:70 S:61 B:36 #5c5c24 H:60 S:61 B:36 #5c5224 H:50 S:61 B:36 #5c4924 H:40 S:61 B:36 #5c4024 H:30 S:61 B:36 #5c3624 H:20 S:61 B:36 #5c2d24 H:10 S:61 B:36 #5c2424 H:0 S:61 B:36
明度 #63a9ff H:213 S:61 B:100 #5a99e6 H:213 S:61 B:90 #5088cc H:213 S:61 B:80 #4677b3 H:213 S:61 B:70 #3c6699 H:213 S:61 B:60 #325580 H:213 S:61 B:50 #284466 H:213 S:61 B:40 #1e334d H:213 S:61 B:30 #142233 H:213 S:61 B:20 #0a111a H:213 S:61 B:10 #000000 H:213 S:61 B:0
彩度 #00295c H:213 S:100 B:36 #092e5c H:213 S:90 B:36 #12335c H:213 S:80 B:36 #1c385c H:213 S:70 B:36 #253e5c H:213 S:60 B:36 #2e435c H:213 S:50 B:36 #37485c H:213 S:40 B:36 #404d5c H:213 S:30 B:36 #49525c H:213 S:20 B:36 #53575c H:213 S:10 B:36 #5c5c5c H:213 S:0 B:36
補色 #5c2724 H:3 S:61 B:36 #5c4324 H:33 S:61 B:36 #595c24 H:63 S:61 B:36
類似色 #245c43 H:153 S:61 B:36 #245c51 H:168 S:61 B:36 #24595c H:183 S:61 B:36 #244b5c H:198 S:61 B:36 #243d5c H:213 S:61 B:36 #242f5c H:228 S:61 B:36 #27245c H:243 S:61 B:36 #35245c H:258 S:61 B:36 #43245c H:273 S:61 B:36

国鉄青15号の配色パターン