#1C2287#1C2287

#1C2287 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.163 H 270.8°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#1C2287
RGB	rgb(28, 34, 135)
HSL	hsl(237, 66%, 32%)
HSV	hsv(237, 79%, 53%)
CMYK	cmyk(79.3%, 74.8%, 0%, 47.1%)
CIE-LAB	lab(20.59, 34.75, -56.43)
CIE-LCH	lch(20.59, 66.27, 301.63°)
OKLab	oklab(33% 0.0022 -0.1634)
OKLCH	oklch(33% 0.163 270.8)
XYZ	xyz(5.4226, 3.1396, 23.2372)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2287 #87811C

analogous

#1C5787 #1C2287 #4C1C87

triadic

#1C2287 #871C22 #22871C

tetradic

#1C2287 #871C57 #87811C #1C874C

square

#1C2287 #871C57 #87811C #1C874C

split-complementary

#1C2287 #874C1C #57871C

monochromatic

#070822 #111554 #1C2287 #272FBA #454DD8

Accessibility & contrast

On white

12.90

#1C2287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1C2287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2287

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2287	#FFFFFF	#000000	##FFFFFF
##1C2287	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378A

Deuteranopia (green-blind)

#002C85

Tritanopia (blue-blind)

#003F52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c2287;
/* rgb */ color: rgb(28, 34, 135);
/* oklch */ color: oklch(33.0% 0.163 270.8);

Tailwind

colors: {
  custom: {
    50: '#6c5eab',
    500: '#1c2287',
    950: '#000000',
  },
}

SCSS

$custom: #1c2287;
$custom-light: #6c5eab;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2287",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 135
  },
  "hsl": {
    "h": 236.636,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32999,
    "c": 0.16339,
    "h": 270.8
  },
  "luminance": 0.0314
}

Semantic roles & 50–950 ramp

primary

#1C2287

secondary

#BAB345

accent

#DF3FE9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2287

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

Preview Lab → · Contrast checker → · Palette generator →