#1D3087#1D3087

#1D3087 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.147 H 268.2°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D3087
RGB	rgb(29, 48, 135)
HSL	hsl(229, 65%, 32%)
HSV	hsv(229, 79%, 53%)
CMYK	cmyk(78.5%, 64.4%, 0%, 47.1%)
CIE-LAB	lab(24.08, 25.63, -50.70)
CIE-LCH	lch(24.08, 56.81, 296.81°)
OKLab	oklab(35.54% -0.0046 -0.1466)
OKLCH	oklch(35.54% 0.147 268.2)
XYZ	xyz(5.9353, 4.1237, 23.4001)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3087 #87741D

analogous

#1D6587 #1D3087 #3F1D87

triadic

#1D3087 #871D30 #30871D

tetradic

#1D3087 #871D65 #87741D #1D873F

square

#1D3087 #871D65 #87741D #1D873F

split-complementary

#1D3087 #873F1D #65871D

monochromatic

#070C22 #121E55 #1D3087 #2842B9 #4761D7

Accessibility & contrast

On white

11.51

#1D3087 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1D3087 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3087

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3087	#FFFFFF	#000000	##FFFFFF
##1D3087	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#003485

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d3087;
/* rgb */ color: rgb(29, 48, 135);
/* oklch */ color: oklch(35.5% 0.147 268.2);

Tailwind

colors: {
  custom: {
    50: '#6b68ab',
    500: '#1d3087',
    950: '#000000',
  },
}

SCSS

$custom: #1d3087;
$custom-light: #6b68ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3087",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 135
  },
  "hsl": {
    "h": 229.245,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35544,
    "c": 0.14667,
    "h": 268.2
  },
  "luminance": 0.04124
}

Semantic roles & 50–950 ramp

primary

#1D3087

secondary

#B9A546

accent

#CA40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D3087

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

Preview Lab → · Contrast checker → · Palette generator →