#1C2283#1C2283

#1C2283 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.158 H 271.0°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#1C2283
RGB	rgb(28, 34, 131)
HSL	hsl(237, 65%, 31%)
HSV	hsv(237, 79%, 51%)
CMYK	cmyk(78.6%, 74%, 0%, 48.6%)
CIE-LAB	lab(20.16, 33.29, -54.63)
CIE-LCH	lch(20.16, 63.97, 301.36°)
OKLab	oklab(32.56% 0.0028 -0.1581)
OKLCH	oklch(32.56% 0.158 271)
XYZ	xyz(5.1463, 3.0291, 21.7818)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2283 #837D1C

analogous

#1C5583 #1C2283 #491C83

triadic

#1C2283 #831C22 #22831C

tetradic

#1C2283 #831C55 #837D1C #1C8349

square

#1C2283 #831C55 #837D1C #1C8349

split-complementary

#1C2283 #83491C #55831C

monochromatic

#06081E #111551 #1C2283 #272FB5 #434BD7

Accessibility & contrast

On white

13.08

#1C2283 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C2283 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2283

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2283	#FFFFFF	#000000	##FFFFFF
##1C2283	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003686

Deuteranopia (green-blind)

#002C81

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2283;
/* rgb */ color: rgb(28, 34, 131);
/* oklch */ color: oklch(32.6% 0.158 271.0);

Tailwind

colors: {
  custom: {
    50: '#6b5ea8',
    500: '#1c2283',
    950: '#000000',
  },
}

SCSS

$custom: #1c2283;
$custom-light: #6b5ea8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2283",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 131
  },
  "hsl": {
    "h": 236.505,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32558,
    "c": 0.15816,
    "h": 271
  },
  "luminance": 0.0303
}

Semantic roles & 50–950 ramp

primary

#1C2283

secondary

#B6B045

accent

#DE40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2283

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

Preview Lab → · Contrast checker → · Palette generator →