#1D2D87#1D2D87

#1D2D87 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.0% C 0.150 H 269.0°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D87
RGB	rgb(29, 45, 135)
HSL	hsl(231, 65%, 32%)
HSV	hsv(231, 79%, 53%)
CMYK	cmyk(78.5%, 66.7%, 0%, 47.1%)
CIE-LAB	lab(23.29, 27.67, -51.98)
CIE-LCH	lch(23.29, 58.89, 298.03°)
OKLab	oklab(34.97% -0.0027 -0.1504)
OKLCH	oklch(34.97% 0.15 269)
XYZ	xyz(5.8167, 3.8866, 23.3606)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D87 #87771D

analogous

#1D6287 #1D2D87 #421D87

triadic

#1D2D87 #871D2D #2D871D

tetradic

#1D2D87 #871D62 #87771D #1D8742

square

#1D2D87 #871D62 #87771D #1D8742

split-complementary

#1D2D87 #87421D #62871D

monochromatic

#070B22 #121C55 #1D2D87 #283EB9 #475DD7

Accessibility & contrast

On white

11.82

#1D2D87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1D2D87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D87

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D87	#FFFFFF	#000000	##FFFFFF
##1D2D87	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d2d87;
/* rgb */ color: rgb(29, 45, 135);
/* oklch */ color: oklch(35.0% 0.150 269.0);

Tailwind

colors: {
  custom: {
    50: '#6b66ab',
    500: '#1d2d87',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d87;
$custom-light: #6b66ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d87",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 135
  },
  "hsl": {
    "h": 230.943,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34968,
    "c": 0.1504,
    "h": 269
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary

#1D2D87

secondary

#B9A846

accent

#CE40E8

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #1D2D87

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

Preview Lab → · Contrast checker → · Palette generator →