#1D305D#1D305D

#1D305D is a dark, moderate blue. Relative luminance 0.032; OKLCH L 31.9% C 0.084 H 264.8°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D305D
RGB	rgb(29, 48, 93)
HSL	hsl(222, 52%, 24%)
HSV	hsv(222, 69%, 36%)
CMYK	cmyk(68.8%, 48.4%, 0%, 63.5%)
CIE-LAB	lab(20.69, 8.80, -29.25)
CIE-LCH	lch(20.69, 30.55, 286.74°)
OKLab	oklab(31.93% -0.0075 -0.0836)
OKLCH	oklch(31.93% 0.084 264.8)
XYZ	xyz(3.5387, 3.1651, 10.7782)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D305D #5D4A1D

analogous

#1D505D #1D305D #2A1D5D

triadic

#1D305D #5D1D30 #305D1D

tetradic

#1D305D #5D1D50 #5D4A1D #1D5D2A

square

#1D305D #5D1D50 #5D4A1D #1D5D2A

split-complementary

#1D305D #5D2A1D #505D1D

monochromatic

#070C17 #0E182E #1D305D #2C488C #3A60BA

Accessibility & contrast

On white

12.86

#1D305D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D305D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D305D

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D305D	#FFFFFF	#000000	##FFFFFF
##1D305D	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A355F

Deuteranopia (green-blind)

#102F5C

Tritanopia (blue-blind)

#003A42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d305d;
/* rgb */ color: rgb(29, 48, 93);
/* oklch */ color: oklch(31.9% 0.084 264.8);

Tailwind

colors: {
  custom: {
    50: '#61678b',
    500: '#1d305d',
    950: '#000000',
  },
}

SCSS

$custom: #1d305d;
$custom-light: #61678b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d305d",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 93
  },
  "hsl": {
    "h": 222.188,
    "s": 52.459,
    "l": 23.922
  },
  "oklch": {
    "l": 0.31934,
    "c": 0.08391,
    "h": 264.8
  },
  "luminance": 0.03165
}

Semantic roles & 50–950 ramp

primary

#1D305D

secondary

#927B44

accent

#B14CDC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #1D305D

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

Preview Lab → · Contrast checker → · Palette generator →