#282DAD#282DAD

#282DAD is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.5% C 0.197 H 271.3°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#282DAD
RGB	rgb(40, 45, 173)
HSL	hsl(238, 62%, 42%)
HSV	hsv(238, 77%, 68%)
CMYK	cmyk(76.9%, 74%, 0%, 32.2%)
CIE-LAB	lab(27.69, 42.51, -67.98)
CIE-LCH	lch(27.69, 80.18, 302.02°)
OKLab	oklab(39.46% 0.0046 -0.1968)
OKLCH	oklch(39.46% 0.197 271.3)
XYZ	xyz(9.3537, 5.3440, 40.0656)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282DAD #ADA828

analogous

#2870AD #282DAD #6528AD

triadic

#282DAD #AD282D #2DAD28

tetradic

#282DAD #AD2870 #ADA828 #28AD65

square

#282DAD #AD2870 #ADA828 #28AD65

split-complementary

#282DAD #AD6528 #70AD28

monochromatic

#11134A #1D207B #282DAD #3F45D3 #7175DE

Accessibility & contrast

On white

10.15

#282DAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#282DAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282DAD

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282DAD	#FFFFFF	#000000	##FFFFFF
##282DAD	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B1

Deuteranopia (green-blind)

#003BAB

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282dad;
/* rgb */ color: rgb(40, 45, 173);
/* oklch */ color: oklch(39.5% 0.197 271.3);

Tailwind

colors: {
  custom: {
    50: '#7967c7',
    500: '#282dad',
    950: '#000000',
  },
}

SCSS

$custom: #282dad;
$custom-light: #7967c7;
$custom-dark: #000000;

JSON

{
  "hex": "#282dad",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 173
  },
  "hsl": {
    "h": 237.744,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39455,
    "c": 0.19688,
    "h": 271.3
  },
  "luminance": 0.05345
}

Semantic roles & 50–950 ramp

primary

#282DAD

secondary

#C5C26C

accent

#DF42E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282DAD

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

Preview Lab → · Contrast checker → · Palette generator →