#283271#283271

#283271 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.6% C 0.109 H 272.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#283271
RGB	rgb(40, 50, 113)
HSL	hsl(232, 48%, 30%)
HSV	hsv(232, 65%, 44%)
CMYK	cmyk(64.6%, 55.8%, 0%, 55.7%)
CIE-LAB	lab(23.42, 17.38, -37.83)
CIE-LCH	lch(23.42, 41.63, 294.68°)
OKLab	oklab(34.65% 0.005 -0.1085)
OKLCH	oklch(34.65% 0.109 272.7)
XYZ	xyz(4.9953, 3.9242, 16.1138)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283271 #716728

analogous

#285671 #283271 #432871

triadic

#283271 #712832 #327128

tetradic

#283271 #712856 #716728 #287143

square

#283271 #712856 #716728 #287143

split-complementary

#283271 #714328 #567128

monochromatic

#080A17 #181E44 #283271 #38469E #5261C2

Accessibility & contrast

On white

11.76

#283271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#283271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283271

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283271	#FFFFFF	#000000	##FFFFFF
##283271	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3B73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #283271;
/* rgb */ color: rgb(40, 50, 113);
/* oklch */ color: oklch(34.6% 0.109 272.7);

Tailwind

colors: {
  custom: {
    50: '#6a699a',
    500: '#283271',
    950: '#000000',
  },
}

SCSS

$custom: #283271;
$custom-light: #6a699a;
$custom-dark: #000000;

JSON

{
  "hex": "#283271",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 113
  },
  "hsl": {
    "h": 231.781,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.34649,
    "c": 0.1086,
    "h": 272.7
  },
  "luminance": 0.03925
}

Semantic roles & 50–950 ramp

primary

#283271

secondary

#A39852

accent

#C550D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #283271

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

Preview Lab → · Contrast checker → · Palette generator →