#1C455E#1C455E

#1C455E is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.3% C 0.063 H 238.4°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#1C455E
RGB	rgb(28, 69, 94)
HSL	hsl(203, 54%, 24%)
HSV	hsv(203, 70%, 37%)
CMYK	cmyk(70.2%, 26.6%, 0%, 63.1%)
CIE-LAB	lab(27.60, -5.38, -19.00)
CIE-LCH	lch(27.60, 19.75, 254.19°)
OKLab	oklab(37.34% -0.0328 -0.0534)
OKLCH	oklch(37.34% 0.063 238.4)
XYZ	xyz(4.6266, 5.3108, 11.3688)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C455E #5E351C

analogous

#1C5E56 #1C455E #1C245E

triadic

#1C455E #5E1C45 #455E1C

tetradic

#1C455E #561C5E #5E351C #245E1C

square

#1C455E #561C5E #5E351C #245E1C

split-complementary

#1C455E #5E1C24 #5E561C

monochromatic

#071118 #0E222F #1C455E #2A688D #388ABC

Accessibility & contrast

On white

10.18

#1C455E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1C455E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C455E

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C455E	#FFFFFF	#000000	##FFFFFF
##1C455E	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39455F

Deuteranopia (green-blind)

#303E5E

Tritanopia (blue-blind)

#004B4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1c455e;
/* rgb */ color: rgb(28, 69, 94);
/* oklch */ color: oklch(37.3% 0.063 238.4);

Tailwind

colors: {
  custom: {
    50: '#60788b',
    500: '#1c455e',
    950: '#000000',
  },
}

SCSS

$custom: #1c455e;
$custom-light: #60788b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c455e",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 94
  },
  "hsl": {
    "h": 202.727,
    "s": 54.098,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3734,
    "c": 0.06268,
    "h": 238.4
  },
  "luminance": 0.05311
}

Semantic roles & 50–950 ramp

primary

#1C455E

secondary

#936142

accent

#824ADD

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #1C455E

Body copy rendered with the generated semantic roles for this colour.

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