#1D3263#1D3263

#1D3263 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 32.9% C 0.091 H 264.5°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D3263
RGB	rgb(29, 50, 99)
HSL	hsl(222, 55%, 25%)
HSV	hsv(222, 71%, 39%)
CMYK	cmyk(70.7%, 49.5%, 0%, 61.2%)
CIE-LAB	lab(21.74, 9.78, -31.52)
CIE-LCH	lch(21.74, 33.00, 287.23°)
OKLab	oklab(32.87% -0.0087 -0.0902)
OKLCH	oklch(32.87% 0.091 264.5)
XYZ	xyz(3.8986, 3.4429, 12.2610)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3263 #634E1D

analogous

#1D5563 #1D3263 #2B1D63

triadic

#1D3263 #631D32 #32631D

tetradic

#1D3263 #631D55 #634E1D #1D632B

square

#1D3263 #631D55 #634E1D #1D632B

split-complementary

#1D3263 #632B1D #55631D

monochromatic

#070C18 #0F1A34 #1D3263 #2B4A92 #3962C2

Accessibility & contrast

On white

12.44

#1D3263 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D3263 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3263

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3263	#FFFFFF	#000000	##FFFFFF
##1D3263	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193765

Deuteranopia (green-blind)

#0C3162

Tritanopia (blue-blind)

#003D45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d3263;
/* rgb */ color: rgb(29, 50, 99);
/* oklch */ color: oklch(32.9% 0.091 264.5);

Tailwind

colors: {
  custom: {
    50: '#626990',
    500: '#1d3263',
    950: '#000000',
  },
}

SCSS

$custom: #1d3263;
$custom-light: #626990;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3263",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 99
  },
  "hsl": {
    "h": 222,
    "s": 54.688,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32868,
    "c": 0.0906,
    "h": 264.5
  },
  "luminance": 0.03443
}

Semantic roles & 50–950 ramp

primary

#1D3263

secondary

#987F44

accent

#B24ADE

background

#F6F6F8

surface

#EBEBF0

border

#C6C6CB

text

#05060C

muted

#7A7A7D

Preview Lab

Preview with #1D3263

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

Preview Lab → · Contrast checker → · Palette generator →