#1D4063#1D4063

#1D4063 is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.073 H 250.5°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D4063
RGB	rgb(29, 64, 99)
HSL	hsl(210, 55%, 25%)
HSV	hsv(210, 71%, 39%)
CMYK	cmyk(70.7%, 35.4%, 0%, 61.2%)
CIE-LAB	lab(26.24, 0.03, -24.35)
CIE-LCH	lch(26.24, 24.35, 270.07°)
OKLab	oklab(36.36% -0.0244 -0.069)
OKLCH	oklch(36.36% 0.073 250.5)
XYZ	xyz(4.5914, 4.8284, 12.4920)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4063 #63401D

analogous

#1D6363 #1D4063 #1D1D63

triadic

#1D4063 #631D40 #40631D

tetradic

#1D4063 #631D63 #63401D #1D631D

square

#1D4063 #631D63 #63401D #1D631D

split-complementary

#1D4063 #631D1D #63631D

monochromatic

#070F18 #0F2134 #1D4063 #2B5F92 #397DC2

Accessibility & contrast

On white

10.68

#1D4063 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1D4063 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4063

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4063	#FFFFFF	#000000	##FFFFFF
##1D4063	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314264

Deuteranopia (green-blind)

#273B62

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d4063;
/* rgb */ color: rgb(29, 64, 99);
/* oklch */ color: oklch(36.4% 0.073 250.5);

Tailwind

colors: {
  custom: {
    50: '#62748f',
    500: '#1d4063',
    950: '#000000',
  },
}

SCSS

$custom: #1d4063;
$custom-light: #62748f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4063",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 99
  },
  "hsl": {
    "h": 210,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36363,
    "c": 0.07317,
    "h": 250.5
  },
  "luminance": 0.04829
}

Semantic roles & 50–950 ramp

primary

#1D4063

secondary

#986E44

accent

#944ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1D4063

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

Preview Lab → · Contrast checker → · Palette generator →