243D5C

COLOR
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国鉄青15号 インクブルー

Japan Rail Colors
sRGB Model ? COPY
R 36
G 61
B 92
HSL Model ? COPY
H 213°
S 44%
L 25%
CMYK Print ? COPY
C 61
M 34
Y 0
K 64
CIE-Lab ? COPY
L 25.21
a 0.9
b -21.41
CIE-XYZ ? COPY
X 4.33
Y 4.49
Z 10.76
OKLCH (Next-Gen) ? COPY
L 35.53%
C 0.063
H 254.5
HSB Model ? COPY
H 213°
S 61%
B 36%
HWB Model ? COPY
H 213°
W 14%
B 64%
CIE-LUV ? COPY
L 25.21
u -10.23
v -26.16

WCAG Accessibility Score

Sample Text
11.07
AA: PASS / AAA: PASS
Sample Text
1.9
AA: FAIL / AAA: FAIL

Vision Simulation

Protanopia #2e2f54
Deuteranopia #2d2b52
Tritanopia #254e4d
Achromatopsia #393939

TINTS

TONES

Physical Match

Closest Standard Match

RAL 590-M

SET: 德国RAL-Effect
DELTA E: 0.75

HARMONIES

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Smart Gradients

COPY CSS
Basic Light
COPY CSS
Deep Gravity
COPY CSS
Aurora Flow
COPY CSS
Cyber Clash
COPY CSS
Soft Mist

Description

深い青紫系の色

Developer Handoff

CSS Variables 
:root {
  --color-4554: #243D5C;
}
Tailwind Config 
colors: {
  'color-4554': '#243D5C',
}
SCSS / Sass 
$color-4554: #243D5C;
Design Token 
{
    "name": "国鉄青15号 インクブルー",
    "value": "#243D5C"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
Click to open full-screen immersive preview.

Open UI Kit

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