#282D9C#282D9C

#282D9C is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.175 H 272.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#282D9C
RGB	rgb(40, 45, 156)
HSL	hsl(237, 59%, 38%)
HSV	hsv(237, 74%, 61%)
CMYK	cmyk(74.4%, 71.2%, 0%, 38.8%)
CIE-LAB	lab(25.94, 36.60, -60.58)
CIE-LCH	lch(25.94, 70.78, 301.14°)
OKLab	oklab(37.68% 0.0071 -0.1753)
OKLCH	oklch(37.68% 0.175 272.3)
XYZ	xyz(7.8122, 4.7274, 31.9468)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D9C #9C9728

analogous

#28679C #282D9C #5D289C

triadic

#282D9C #9C282D #2D9C28

tetradic

#282D9C #9C2867 #9C9728 #289C5D

square

#282D9C #9C2867 #9C9728 #289C5D

split-complementary

#282D9C #9C5D28 #679C28

monochromatic

#0F113B #1C1F6B #282D9C #363CCB #676BD8

Accessibility & contrast

On white

10.79

#282D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#282D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D9C

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D9C	#FFFFFF	#000000	##FFFFFF
##282D9C	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282d9c;
/* rgb */ color: rgb(40, 45, 156);
/* oklch */ color: oklch(37.7% 0.175 272.3);

Tailwind

colors: {
  custom: {
    50: '#7567ba',
    500: '#282d9c',
    950: '#000000',
  },
}

SCSS

$custom: #282d9c;
$custom-light: #7567ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282d9c",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 156
  },
  "hsl": {
    "h": 237.414,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37679,
    "c": 0.1754,
    "h": 272.3
  },
  "luminance": 0.04728
}

Semantic roles & 50–950 ramp

primary

#282D9C

secondary

#BEBA62

accent

#DC45E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282D9C

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

Preview Lab → · Contrast checker → · Palette generator →