#1D2D83#1D2D83

#1D2D83 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.145 H 269.0°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D83
RGB	rgb(29, 45, 131)
HSL	hsl(231, 64%, 31%)
HSV	hsv(231, 78%, 51%)
CMYK	cmyk(77.9%, 65.6%, 0%, 48.6%)
CIE-LAB	lab(22.92, 26.12, -50.09)
CIE-LCH	lch(22.92, 56.49, 297.54°)
OKLab	oklab(34.58% -0.0025 -0.1448)
OKLCH	oklch(34.58% 0.145 269)
XYZ	xyz(5.5404, 3.7761, 21.9052)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D83 #83731D

analogous

#1D6083 #1D2D83 #401D83

triadic

#1D2D83 #831D2D #2D831D

tetradic

#1D2D83 #831D60 #83731D #1D8340

square

#1D2D83 #831D60 #83731D #1D8340

split-complementary

#1D2D83 #83401D #60831D

monochromatic

#070B1F #121C51 #1D2D83 #283EB5 #455BD6

Accessibility & contrast

On white

11.96

#1D2D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1D2D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D83

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D83	#FFFFFF	#000000	##FFFFFF
##1D2D83	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003281

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2d83;
/* rgb */ color: rgb(29, 45, 131);
/* oklch */ color: oklch(34.6% 0.145 269.0);

Tailwind

colors: {
  custom: {
    50: '#6a65a8',
    500: '#1d2d83',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d83;
$custom-light: #6a65a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d83",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 131
  },
  "hsl": {
    "h": 230.588,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34576,
    "c": 0.14487,
    "h": 269
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#1D2D83

secondary

#B6A446

accent

#CD41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1D2D83

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

Preview Lab → · Contrast checker → · Palette generator →