#1D2B83#1D2B83

#1D2B83 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.147 H 269.5°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B83
RGB	rgb(29, 43, 131)
HSL	hsl(232, 64%, 31%)
HSV	hsv(232, 78%, 51%)
CMYK	cmyk(77.9%, 67.2%, 0%, 48.6%)
CIE-LAB	lab(22.40, 27.48, -50.94)
CIE-LCH	lch(22.40, 57.88, 298.35°)
OKLab	oklab(34.2% -0.0012 -0.1473)
OKLCH	oklch(34.2% 0.147 269.5)
XYZ	xyz(5.4659, 3.6271, 21.8804)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B83 #83751D

analogous

#1D5E83 #1D2B83 #421D83

triadic

#1D2B83 #831D2B #2B831D

tetradic

#1D2B83 #831D5E #83751D #1D8342

square

#1D2B83 #831D5E #83751D #1D8342

split-complementary

#1D2B83 #83421D #5E831D

monochromatic

#070A1F #121B51 #1D2B83 #283BB5 #4559D6

Accessibility & contrast

On white

12.17

#1D2B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D2B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B83

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B83	#FFFFFF	#000000	##FFFFFF
##1D2B83	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A86

Deuteranopia (green-blind)

#003181

Tritanopia (blue-blind)

#004253

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2b83;
/* rgb */ color: rgb(29, 43, 131);
/* oklch */ color: oklch(34.2% 0.147 269.5);

Tailwind

colors: {
  custom: {
    50: '#6b64a8',
    500: '#1d2b83',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b83;
$custom-light: #6b64a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b83",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 131
  },
  "hsl": {
    "h": 231.765,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34195,
    "c": 0.14735,
    "h": 269.5
  },
  "luminance": 0.03628
}

Semantic roles & 50–950 ramp

primary

#1D2B83

secondary

#B6A746

accent

#D041E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1D2B83

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

Preview Lab → · Contrast checker → · Palette generator →