#1C2182#1C2182

#1C2182 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.158 H 271.3°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#1C2182
RGB	rgb(28, 33, 130)
HSL	hsl(237, 65%, 31%)
HSV	hsv(237, 78%, 51%)
CMYK	cmyk(78.5%, 74.6%, 0%, 49%)
CIE-LAB	lab(19.83, 33.56, -54.55)
CIE-LCH	lch(19.83, 64.04, 301.60°)
OKLab	oklab(32.29% 0.0035 -0.1579)
OKLCH	oklch(32.29% 0.158 271.3)
XYZ	xyz(5.0506, 2.9457, 21.4172)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2182 #827D1C

analogous

#1C5482 #1C2182 #4A1C82

triadic

#1C2182 #821C21 #21821C

tetradic

#1C2182 #821C54 #827D1C #1C824A

square

#1C2182 #821C54 #827D1C #1C824A

split-complementary

#1C2182 #824A1C #54821C

monochromatic

#06071D #111450 #1C2182 #272EB4 #4249D6

Accessibility & contrast

On white

13.21

#1C2182 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1C2182 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2182

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2182	#FFFFFF	#000000	##FFFFFF
##1C2182	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#002B80

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c2182;
/* rgb */ color: rgb(28, 33, 130);
/* oklch */ color: oklch(32.3% 0.158 271.3);

Tailwind

colors: {
  custom: {
    50: '#6b5da7',
    500: '#1c2182',
    950: '#000000',
  },
}

SCSS

$custom: #1c2182;
$custom-light: #6b5da7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2182",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 130
  },
  "hsl": {
    "h": 237.059,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32286,
    "c": 0.15795,
    "h": 271.3
  },
  "luminance": 0.02946
}

Semantic roles & 50–950 ramp

primary

#1C2182

secondary

#B5B044

accent

#DF40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2182

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

Preview Lab → · Contrast checker → · Palette generator →