#283287#283287

#283287 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.5% C 0.141 H 272.2°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#283287
RGB	rgb(40, 50, 135)
HSL	hsl(234, 54%, 34%)
HSV	hsv(234, 70%, 53%)
CMYK	cmyk(70.4%, 63%, 0%, 47.1%)
CIE-LAB	lab(25.20, 25.69, -48.84)
CIE-LCH	lch(25.20, 55.18, 297.74°)
OKLab	oklab(36.54% 0.0054 -0.1409)
OKLCH	oklch(36.54% 0.141 272.2)
XYZ	xyz(6.3874, 4.4810, 23.4453)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283287 #877D28

analogous

#286287 #283287 #4E2887

triadic

#283287 #872832 #328728

tetradic

#283287 #872862 #877D28 #28874E

square

#283287 #872862 #877D28 #28874E

split-complementary

#283287 #874E28 #628728

monochromatic

#0C0F29 #1A2158 #283287 #3643B6 #5B67CE

Accessibility & contrast

On white

11.07

#283287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#283287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283287

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283287	#FFFFFF	#000000	##FFFFFF
##283287	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408A

Deuteranopia (green-blind)

#003885

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #283287;
/* rgb */ color: rgb(40, 50, 135);
/* oklch */ color: oklch(36.5% 0.141 272.2);

Tailwind

colors: {
  custom: {
    50: '#6f69ab',
    500: '#283287',
    950: '#000000',
  },
}

SCSS

$custom: #283287;
$custom-light: #6f69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#283287",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 135
  },
  "hsl": {
    "h": 233.684,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36538,
    "c": 0.14097,
    "h": 272.2
  },
  "luminance": 0.04482
}

Semantic roles & 50–950 ramp

primary

#283287

secondary

#B4AA57

accent

#CE4ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #283287

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

Preview Lab → · Contrast checker → · Palette generator →