#1C3884#1C3884

#1C3884 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.9% C 0.132 H 265.1°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#1C3884
RGB	rgb(28, 56, 132)
HSL	hsl(224, 65%, 31%)
HSV	hsv(224, 79%, 52%)
CMYK	cmyk(78.8%, 57.6%, 0%, 48.2%)
CIE-LAB	lab(25.98, 18.75, -45.72)
CIE-LCH	lch(25.98, 49.42, 292.30°)
OKLab	oklab(36.87% -0.0113 -0.1319)
OKLCH	oklch(36.87% 0.132 265.1)
XYZ	xyz(6.0564, 4.7405, 22.4211)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3884 #84681C

analogous

#1C6C84 #1C3884 #341C84

triadic

#1C3884 #841C38 #38841C

tetradic

#1C3884 #841C6C #84681C #1C8434

square

#1C3884 #841C6C #84681C #1C8434

split-complementary

#1C3884 #84341C #6C841C

monochromatic

#070D1F #112352 #1C3884 #274DB6 #436BD7

Accessibility & contrast

On white

10.78

#1C3884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1C3884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3884

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3884	#FFFFFF	#000000	##FFFFFF
##1C3884	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004387

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c3884;
/* rgb */ color: rgb(28, 56, 132);
/* oklch */ color: oklch(36.9% 0.132 265.1);

Tailwind

colors: {
  custom: {
    50: '#696ea8',
    500: '#1c3884',
    950: '#000000',
  },
}

SCSS

$custom: #1c3884;
$custom-light: #696ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3884",
  "rgb": {
    "r": 28,
    "g": 56,
    "b": 132
  },
  "hsl": {
    "h": 223.846,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.36874,
    "c": 0.13236,
    "h": 265.1
  },
  "luminance": 0.04741
}

Semantic roles & 50–950 ramp

primary

#1C3884

secondary

#B79845

accent

#BB40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1C3884

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

Preview Lab → · Contrast checker → · Palette generator →