#282D9E#282D9E

#282D9E is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.178 H 272.2°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#282D9E
RGB	rgb(40, 45, 158)
HSL	hsl(237, 60%, 39%)
HSV	hsv(237, 75%, 62%)
CMYK	cmyk(74.7%, 71.5%, 0%, 38%)
CIE-LAB	lab(26.14, 37.31, -61.47)
CIE-LCH	lch(26.14, 71.91, 301.25°)
OKLab	oklab(37.88% 0.0068 -0.1778)
OKLCH	oklch(37.88% 0.178 272.2)
XYZ	xyz(7.9829, 4.7957, 32.8461)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D9E #9E9928

analogous

#28689E #282D9E #5E289E

triadic

#282D9E #9E282D #2D9E28

tetradic

#282D9E #9E2868 #9E9928 #289E5E

square

#282D9E #9E2868 #9E9928 #289E5E

split-complementary

#282D9E #9E5E28 #689E28

monochromatic

#0F113C #1C1F6D #282D9E #373DCC #686CD9

Accessibility & contrast

On white

10.72

#282D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#282D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D9E

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D9E	#FFFFFF	#000000	##FFFFFF
##282D9E	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A1

Deuteranopia (green-blind)

#00389C

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282d9e;
/* rgb */ color: rgb(40, 45, 158);
/* oklch */ color: oklch(37.9% 0.178 272.2);

Tailwind

colors: {
  custom: {
    50: '#7567bc',
    500: '#282d9e',
    950: '#000000',
  },
}

SCSS

$custom: #282d9e;
$custom-light: #7567bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282d9e",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 158
  },
  "hsl": {
    "h": 237.458,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37884,
    "c": 0.17798,
    "h": 272.2
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#282D9E

secondary

#BFBB63

accent

#DC45E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282D9E

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

Preview Lab → · Contrast checker → · Palette generator →