#1D2256#1D2256

#1D2256 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.093 H 274.6°. Best body text is #FFFFFF at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D2256
RGB	rgb(29, 34, 86)
HSL	hsl(235, 50%, 23%)
HSV	hsv(235, 66%, 34%)
CMYK	cmyk(66.3%, 60.5%, 0%, 66.3%)
CIE-LAB	lab(15.89, 16.21, -32.33)
CIE-LCH	lch(15.89, 36.17, 296.62°)
OKLab	oklab(28.12% 0.0074 -0.0928)
OKLCH	oklch(28.12% 0.093 274.6)
XYZ	xyz(2.7579, 2.0769, 9.0578)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2256 #56511D

analogous

#1D3E56 #1D2256 #351D56

triadic

#1D2256 #561D22 #22561D

tetradic

#1D2256 #561D3E #56511D #1D5635

square

#1D2256 #561D3E #56511D #1D5635

split-complementary

#1D2256 #56351D #3E561D

monochromatic

#080917 #0E1028 #1D2256 #2C3484 #3C46B2

Accessibility & contrast

On white

14.84

#1D2256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1D2256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2256

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2256	#FFFFFF	#000000	##FFFFFF
##1D2256	1.00	14.84	1.42	14.84
#FFFFFF	14.84	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A58

Deuteranopia (green-blind)

#002555

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1d2256;
/* rgb */ color: rgb(29, 34, 86);
/* oklch */ color: oklch(28.1% 0.093 274.6);

Tailwind

colors: {
  custom: {
    50: '#605c86',
    500: '#1d2256',
    950: '#000000',
  },
}

SCSS

$custom: #1d2256;
$custom-light: #605c86;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2256",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 86
  },
  "hsl": {
    "h": 234.737,
    "s": 49.565,
    "l": 22.549
  },
  "oklch": {
    "l": 0.28124,
    "c": 0.09312,
    "h": 274.6
  },
  "luminance": 0.02077
}

Semantic roles & 50–950 ramp

primary

#1D2256

secondary

#8B8544

accent

#CD4FD9

background

#F5F5F8

surface

#EAE9EF

border

#C6C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #1D2256

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

Preview Lab → · Contrast checker → · Palette generator →