#282DAB#282DAB

#282DAB is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.2% C 0.194 H 271.4°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#282DAB
RGB	rgb(40, 45, 171)
HSL	hsl(238, 62%, 41%)
HSV	hsv(238, 77%, 67%)
CMYK	cmyk(76.6%, 73.7%, 0%, 32.9%)
CIE-LAB	lab(27.48, 41.83, -67.13)
CIE-LCH	lch(27.48, 79.10, 301.93°)
OKLab	oklab(39.24% 0.0049 -0.1943)
OKLCH	oklch(39.24% 0.194 271.4)
XYZ	xyz(9.1617, 5.2672, 39.0540)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DAB #ABA628

analogous

#286FAB #282DAB #6528AB

triadic

#282DAB #AB282D #2DAB28

tetradic

#282DAB #AB286F #ABA628 #28AB65

square

#282DAB #AB286F #ABA628 #28AB65

split-complementary

#282DAB #AB6528 #6FAB28

monochromatic

#111348 #1C2079 #282DAB #3E44D2 #7074DE

Accessibility & contrast

On white

10.23

#282DAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#282DAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DAB

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DAB	#FFFFFF	#000000	##FFFFFF
##282DAB	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AF

Deuteranopia (green-blind)

#003AA9

Tritanopia (blue-blind)

#005169

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282dab;
/* rgb */ color: rgb(40, 45, 171);
/* oklch */ color: oklch(39.2% 0.194 271.4);

Tailwind

colors: {
  custom: {
    50: '#7867c5',
    500: '#282dab',
    950: '#000000',
  },
}

SCSS

$custom: #282dab;
$custom-light: #7867c5;
$custom-dark: #000000;

JSON

{
  "hex": "#282dab",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 171
  },
  "hsl": {
    "h": 237.71,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39242,
    "c": 0.1944,
    "h": 271.4
  },
  "luminance": 0.05268
}

Semantic roles & 50–950 ramp

primary

#282DAB

secondary

#C4C16A

accent

#DF43E5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DAB

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

Preview Lab → · Contrast checker → · Palette generator →