#1D455E#1D455E

#1D455E is a dark, moderate cyan. Relative luminance 0.053; OKLCH L 37.4% C 0.062 H 238.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D455E
RGB	rgb(29, 69, 94)
HSL	hsl(203, 53%, 24%)
HSV	hsv(203, 69%, 37%)
CMYK	cmyk(69.1%, 26.6%, 0%, 63.1%)
CIE-LAB	lab(27.64, -5.18, -18.94)
CIE-LCH	lch(27.64, 19.63, 254.69°)
OKLab	oklab(37.38% -0.032 -0.0532)
OKLCH	oklch(37.38% 0.062 238.9)
XYZ	xyz(4.6544, 5.3251, 11.3701)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D455E #5E361D

analogous

#1D5E57 #1D455E #1D255E

triadic

#1D455E #5E1D45 #455E1D

tetradic

#1D455E #571D5E #5E361D #255E1D

square

#1D455E #571D5E #5E361D #255E1D

split-complementary

#1D455E #5E1D25 #5E571D

monochromatic

#071117 #0F232F #1D455E #2B678D #3A8ABC

Accessibility & contrast

On white

10.17

#1D455E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#1D455E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D455E

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D455E	#FFFFFF	#000000	##FFFFFF
##1D455E	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39455F

Deuteranopia (green-blind)

#313E5E

Tritanopia (blue-blind)

#004B4E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1d455e;
/* rgb */ color: rgb(29, 69, 94);
/* oklch */ color: oklch(37.4% 0.062 238.9);

Tailwind

colors: {
  custom: {
    50: '#61788b',
    500: '#1d455e',
    950: '#000000',
  },
}

SCSS

$custom: #1d455e;
$custom-light: #61788b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d455e",
  "rgb": {
    "r": 29,
    "g": 69,
    "b": 94
  },
  "hsl": {
    "h": 203.077,
    "s": 52.846,
    "l": 24.118
  },
  "oklch": {
    "l": 0.37382,
    "c": 0.06212,
    "h": 238.9
  },
  "luminance": 0.05326
}

Semantic roles & 50–950 ramp

primary

#1D455E

secondary

#936244

accent

#834CDC

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05090C

muted

#7A7B7D

Preview Lab

Preview with #1D455E

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

Preview Lab → · Contrast checker → · Palette generator →