#1D4263#1D4263

#1D4263 is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.9% C 0.071 H 247.9°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D4263
RGB	rgb(29, 66, 99)
HSL	hsl(208, 55%, 25%)
HSV	hsv(208, 71%, 39%)
CMYK	cmyk(70.7%, 33.3%, 0%, 61.2%)
CIE-LAB	lab(26.90, -1.31, -23.32)
CIE-LCH	lch(26.90, 23.35, 266.79°)
OKLab	oklab(36.88% -0.0267 -0.0659)
OKLCH	oklch(36.88% 0.071 247.9)
XYZ	xyz(4.7062, 5.0580, 12.5302)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4263 #633E1D

analogous

#1D6361 #1D4263 #1D1F63

triadic

#1D4263 #631D42 #42631D

tetradic

#1D4263 #611D63 #633E1D #1F631D

square

#1D4263 #611D63 #633E1D #1F631D

split-complementary

#1D4263 #631D1F #63611D

monochromatic

#071018 #0F2234 #1D4263 #2B6292 #3981C2

Accessibility & contrast

On white

10.44

#1D4263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#1D4263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4263

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4263	#FFFFFF	#000000	##FFFFFF
##1D4263	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334364

Deuteranopia (green-blind)

#2A3D62

Tritanopia (blue-blind)

#004A4E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d4263;
/* rgb */ color: rgb(29, 66, 99);
/* oklch */ color: oklch(36.9% 0.071 247.9);

Tailwind

colors: {
  custom: {
    50: '#62768f',
    500: '#1d4263',
    950: '#000000',
  },
}

SCSS

$custom: #1d4263;
$custom-light: #62768f;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4263",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 99
  },
  "hsl": {
    "h": 208.286,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36881,
    "c": 0.07114,
    "h": 247.9
  },
  "luminance": 0.05058
}

Semantic roles & 50–950 ramp

primary

#1D4263

secondary

#986B44

accent

#904ADE

background

#F6F7F8

surface

#EBEDF0

border

#C6C8CB

text

#05080C

muted

#7A7B7D

Preview Lab

Preview with #1D4263

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

Preview Lab → · Contrast checker → · Palette generator →