#1D2C83#1D2C83

#1D2C83 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.4% C 0.146 H 269.3°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C83
RGB	rgb(29, 44, 131)
HSL	hsl(231, 64%, 31%)
HSV	hsv(231, 78%, 51%)
CMYK	cmyk(77.9%, 66.4%, 0%, 48.6%)
CIE-LAB	lab(22.66, 26.80, -50.52)
CIE-LCH	lch(22.66, 57.19, 297.95°)
OKLab	oklab(34.38% -0.0018 -0.1461)
OKLCH	oklch(34.38% 0.146 269.3)
XYZ	xyz(5.5027, 3.7007, 21.8926)
Luminance	0.0370 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C83 #83741D

analogous

#1D5F83 #1D2C83 #411D83

triadic

#1D2C83 #831D2C #2C831D

tetradic

#1D2C83 #831D5F #83741D #1D8341

square

#1D2C83 #831D5F #83741D #1D8341

split-complementary

#1D2C83 #83411D #5F831D

monochromatic

#070A1F #121B51 #1D2C83 #283DB5 #455AD6

Accessibility & contrast

On white

12.07

#1D2C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1D2C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C83

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C83	#FFFFFF	#000000	##FFFFFF
##1D2C83	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B86

Deuteranopia (green-blind)

#003181

Tritanopia (blue-blind)

#004353

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2c83;
/* rgb */ color: rgb(29, 44, 131);
/* oklch */ color: oklch(34.4% 0.146 269.3);

Tailwind

colors: {
  custom: {
    50: '#6a65a8',
    500: '#1d2c83',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c83;
$custom-light: #6a65a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c83",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 131
  },
  "hsl": {
    "h": 231.176,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.34384,
    "c": 0.14612,
    "h": 269.3
  },
  "luminance": 0.03701
}

Semantic roles & 50–950 ramp

primary

#1D2C83

secondary

#B6A646

accent

#CE41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080510

muted

#7A7A7F

Preview Lab

Preview with #1D2C83

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

Preview Lab → · Contrast checker → · Palette generator →