#282AB0#282AB0

#282AB0 is a dark, highly saturated blue. Relative luminance 0.052; OKLCH L 39.3% C 0.203 H 271.5°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#282AB0
RGB	rgb(40, 42, 176)
HSL	hsl(239, 63%, 42%)
HSV	hsv(239, 77%, 69%)
CMYK	cmyk(77.3%, 76.1%, 0%, 31%)
CIE-LAB	lab(27.41, 45.23, -70.25)
CIE-LCH	lch(27.41, 83.55, 302.78°)
OKLab	oklab(39.35% 0.0053 -0.2034)
OKLCH	oklch(39.35% 0.203 271.5)
XYZ	xyz(9.5369, 5.2406, 41.5748)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AB0 #B0AE28

analogous

#286EB0 #282AB0 #6A28B0

triadic

#282AB0 #B0282A #2AB028

tetradic

#282AB0 #B0286E #B0AE28 #28B06A

square

#282AB0 #B0286E #B0AE28 #28B06A

split-complementary

#282AB0 #B06A28 #6EB028

monochromatic

#11124C #1D1E7E #282AB0 #4143D4 #7375DF

Accessibility & contrast

On white

10.25

#282AB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#282AB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AB0

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AB0	#FFFFFF	#000000	##FFFFFF
##282AB0	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B4

Deuteranopia (green-blind)

#003AAE

Tritanopia (blue-blind)

#00526B

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282ab0;
/* rgb */ color: rgb(40, 42, 176);
/* oklch */ color: oklch(39.3% 0.203 271.5);

Tailwind

colors: {
  custom: {
    50: '#7a66c9',
    500: '#282ab0',
    950: '#000000',
  },
}

SCSS

$custom: #282ab0;
$custom-light: #7a66c9;
$custom-dark: #000000;

JSON

{
  "hex": "#282ab0",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 176
  },
  "hsl": {
    "h": 239.118,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.39349,
    "c": 0.20346,
    "h": 271.5
  },
  "luminance": 0.05242
}

Semantic roles & 50–950 ramp

primary

#282AB0

secondary

#C6C56D

accent

#E442E6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282AB0

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

Preview Lab → · Contrast checker → · Palette generator →