#282DA6#282DA6

#282DA6 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.7% C 0.188 H 271.7°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#282DA6
RGB	rgb(40, 45, 166)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 76%, 65%)
CMYK	cmyk(75.9%, 72.9%, 0%, 34.9%)
CIE-LAB	lab(26.96, 40.10, -64.98)
CIE-LCH	lch(26.96, 76.36, 301.68°)
OKLab	oklab(38.71% 0.0057 -0.1881)
OKLCH	oklch(38.71% 0.188 271.7)
XYZ	xyz(8.6941, 5.0801, 36.5914)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DA6 #A6A128

analogous

#286CA6 #282DA6 #6228A6

triadic

#282DA6 #A6282D #2DA628

tetradic

#282DA6 #A6286C #A6A128 #28A662

square

#282DA6 #A6286C #A6A128 #28A662

split-complementary

#282DA6 #A66228 #6CA628

monochromatic

#101243 #1C2075 #282DA6 #3B41D0 #6D71DC

Accessibility & contrast

On white

10.42

#282DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#282DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DA6

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DA6	#FFFFFF	#000000	##FFFFFF
##282DA6	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AA

Deuteranopia (green-blind)

#003AA4

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #282da6;
/* rgb */ color: rgb(40, 45, 166);
/* oklch */ color: oklch(38.7% 0.188 271.7);

Tailwind

colors: {
  custom: {
    50: '#7767c2',
    500: '#282da6',
    950: '#000000',
  },
}

SCSS

$custom: #282da6;
$custom-light: #7767c2;
$custom-dark: #000000;

JSON

{
  "hex": "#282da6",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 166
  },
  "hsl": {
    "h": 237.619,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38715,
    "c": 0.18816,
    "h": 271.7
  },
  "luminance": 0.05081
}

Semantic roles & 50–950 ramp

primary

#282DA6

secondary

#C2BF67

accent

#DE44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282DA6

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

Preview Lab → · Contrast checker → · Palette generator →