#1D2B74#1D2B74

#1D2B74 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.8% C 0.126 H 269.7°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B74
RGB	rgb(29, 43, 116)
HSL	hsl(230, 60%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(75%, 62.9%, 0%, 54.5%)
CIE-LAB	lab(21.02, 21.62, -43.68)
CIE-LCH	lch(21.02, 48.74, 296.33°)
OKLab	oklab(32.75% -0.0007 -0.1261)
OKLCH	oklch(32.75% 0.126 269.7)
XYZ	xyz(4.5219, 3.2495, 16.9085)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B74 #74661D

analogous

#1D5674 #1D2B74 #3A1D74

triadic

#1D2B74 #741D2B #2B741D

tetradic

#1D2B74 #741D56 #74661D #1D743A

square

#1D2B74 #741D56 #74661D #1D743A

split-complementary

#1D2B74 #743A1D #56741D

monochromatic

#060918 #111943 #1D2B74 #293DA5 #3D54CE

Accessibility & contrast

On white

12.73

#1D2B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B74

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B74	#FFFFFF	#000000	##FFFFFF
##1D2B74	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003776

Deuteranopia (green-blind)

#002F73

Tritanopia (blue-blind)

#003D4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2b74;
/* rgb */ color: rgb(29, 43, 116);
/* oklch */ color: oklch(32.8% 0.126 269.7);

Tailwind

colors: {
  custom: {
    50: '#67649d',
    500: '#1d2b74',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b74;
$custom-light: #67649d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b74",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 116
  },
  "hsl": {
    "h": 230.345,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3275,
    "c": 0.12606,
    "h": 269.7
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#1D2B74

secondary

#A89845

accent

#CA45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2B74

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

Preview Lab → · Contrast checker → · Palette generator →