#1D2E83#1D2E83

#1D2E83 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.144 H 268.7°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E83
RGB	rgb(29, 46, 131)
HSL	hsl(230, 64%, 31%)
HSV	hsv(230, 78%, 51%)
CMYK	cmyk(77.9%, 64.9%, 0%, 48.6%)
CIE-LAB	lab(23.18, 25.44, -49.66)
CIE-LCH	lch(23.18, 55.80, 297.12°)
OKLab	oklab(34.77% -0.0032 -0.1436)
OKLCH	oklch(34.77% 0.144 268.7)
XYZ	xyz(5.5790, 3.8533, 21.9181)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E83 #83721D

analogous

#1D6183 #1D2E83 #3F1D83

triadic

#1D2E83 #831D2E #2E831D

tetradic

#1D2E83 #831D61 #83721D #1D833F

square

#1D2E83 #831D61 #83721D #1D833F

split-complementary

#1D2E83 #833F1D #61831D

monochromatic

#070B1F #121C51 #1D2E83 #2840B5 #455DD6

Accessibility & contrast

On white

11.86

#1D2E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#1D2E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E83

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E83	#FFFFFF	#000000	##FFFFFF
##1D2E83	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C86

Deuteranopia (green-blind)

#003381

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1d2e83;
/* rgb */ color: rgb(29, 46, 131);
/* oklch */ color: oklch(34.8% 0.144 268.7);

Tailwind

colors: {
  custom: {
    50: '#6a66a8',
    500: '#1d2e83',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e83;
$custom-light: #6a66a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e83",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 131
  },
  "hsl": {
    "h": 230,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3477,
    "c": 0.1436,
    "h": 268.7
  },
  "luminance": 0.03854
}

Semantic roles & 50–950 ramp

primary

#1D2E83

secondary

#B6A346

accent

#CB41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D2E83

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

Preview Lab → · Contrast checker → · Palette generator →