#1D2B52#1D2B52

#1D2B52 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.073 H 267.1°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B52
RGB	rgb(29, 43, 82)
HSL	hsl(224, 48%, 22%)
HSV	hsv(224, 65%, 32%)
CMYK	cmyk(64.6%, 47.6%, 0%, 67.8%)
CIE-LAB	lab(18.36, 8.03, -25.67)
CIE-LCH	lch(18.36, 26.90, 287.37°)
OKLab	oklab(29.9% -0.0037 -0.0731)
OKLCH	oklch(29.9% 0.073 267.1)
XYZ	xyz(2.8930, 2.5979, 8.3300)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B52 #52441D

analogous

#1D4652 #1D2B52 #2A1D52

triadic

#1D2B52 #521D2B #2B521D

tetradic

#1D2B52 #521D46 #52441D #1D522A

square

#1D2B52 #521D46 #52441D #1D522A

split-complementary

#1D2B52 #522A1D #46521D

monochromatic

#080C17 #0D1325 #1D2B52 #2D437F #3D5AAC

Accessibility & contrast

On white

13.82

#1D2B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1D2B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B52

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B52	#FFFFFF	#000000	##FFFFFF
##1D2B52	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192F53

Deuteranopia (green-blind)

#122B51

Tritanopia (blue-blind)

#00343A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d2b52;
/* rgb */ color: rgb(29, 43, 82);
/* oklch */ color: oklch(29.9% 0.073 267.1);

Tailwind

colors: {
  custom: {
    50: '#5e6483',
    500: '#1d2b52',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b52;
$custom-light: #5e6483;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b52",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 82
  },
  "hsl": {
    "h": 224.151,
    "s": 47.748,
    "l": 21.765
  },
  "oklch": {
    "l": 0.29899,
    "c": 0.07321,
    "h": 267.1
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#1D2B52

secondary

#877544

accent

#B450D7

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050A

muted

#79797C

Preview Lab

Preview with #1D2B52

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

Preview Lab → · Contrast checker → · Palette generator →