#1C3882#1C3882

#1C3882 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.129 H 264.9°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#1C3882
RGB	rgb(28, 56, 130)
HSL	hsl(224, 65%, 31%)
HSV	hsv(224, 78%, 51%)
CMYK	cmyk(78.5%, 56.9%, 0%, 49%)
CIE-LAB	lab(25.82, 17.94, -44.73)
CIE-LCH	lch(25.82, 48.19, 291.86°)
OKLab	oklab(36.7% -0.0114 -0.129)
OKLCH	oklch(36.7% 0.129 264.9)
XYZ	xyz(5.9209, 4.6863, 21.7073)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3882 #82661C

analogous

#1C6B82 #1C3882 #331C82

triadic

#1C3882 #821C38 #38821C

tetradic

#1C3882 #821C6B #82661C #1C8233

square

#1C3882 #821C6B #82661C #1C8233

split-complementary

#1C3882 #82331C #6B821C

monochromatic

#060D1D #112250 #1C3882 #274EB4 #426BD6

Accessibility & contrast

On white

10.84

#1C3882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1C3882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3882

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3882	#FFFFFF	#000000	##FFFFFF
##1C3882	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004285

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1c3882;
/* rgb */ color: rgb(28, 56, 130);
/* oklch */ color: oklch(36.7% 0.129 264.9);

Tailwind

colors: {
  custom: {
    50: '#696ea7',
    500: '#1c3882',
    950: '#000000',
  },
}

SCSS

$custom: #1c3882;
$custom-light: #696ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3882",
  "rgb": {
    "r": 28,
    "g": 56,
    "b": 130
  },
  "hsl": {
    "h": 223.529,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36702,
    "c": 0.12948,
    "h": 264.9
  },
  "luminance": 0.04687
}

Semantic roles & 50–950 ramp

primary

#1C3882

secondary

#B59644

accent

#BA40E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1C3882

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

Preview Lab → · Contrast checker → · Palette generator →