#282BA6#282BA6

#282BA6 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.190 H 272.0°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#282BA6
RGB	rgb(40, 43, 166)
HSL	hsl(239, 61%, 40%)
HSV	hsv(239, 76%, 65%)
CMYK	cmyk(75.9%, 74.1%, 0%, 34.9%)
CIE-LAB	lab(26.54, 41.29, -65.68)
CIE-LCH	lch(26.54, 77.58, 302.16°)
OKLab	oklab(38.41% 0.0066 -0.1901)
OKLCH	oklch(38.41% 0.19 272)
XYZ	xyz(8.6196, 4.9311, 36.5665)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282BA6 #A6A328

analogous

#286AA6 #282BA6 #6428A6

triadic

#282BA6 #A6282B #2BA628

tetradic

#282BA6 #A6286A #A6A328 #28A664

square

#282BA6 #A6286A #A6A328 #28A664

split-complementary

#282BA6 #A66428 #6AA628

monochromatic

#101143 #1C1E75 #282BA6 #3B3FD0 #6D6FDC

Accessibility & contrast

On white

10.57

#282BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#282BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282BA6

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282BA6	#FFFFFF	#000000	##FFFFFF
##282BA6	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#004E66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ba6;
/* rgb */ color: rgb(40, 43, 166);
/* oklch */ color: oklch(38.4% 0.190 272.0);

Tailwind

colors: {
  custom: {
    50: '#7766c2',
    500: '#282ba6',
    950: '#000000',
  },
}

SCSS

$custom: #282ba6;
$custom-light: #7766c2;
$custom-dark: #000000;

JSON

{
  "hex": "#282ba6",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 166
  },
  "hsl": {
    "h": 238.571,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38412,
    "c": 0.19021,
    "h": 272
  },
  "luminance": 0.04932
}

Semantic roles & 50–950 ramp

primary

#282BA6

secondary

#C2C067

accent

#E044E4

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #282BA6

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

Preview Lab → · Contrast checker → · Palette generator →