#282AB3#282AB3

#282AB3 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.7% C 0.207 H 271.3°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#282AB3
RGB	rgb(40, 42, 179)
HSL	hsl(239, 63%, 43%)
HSV	hsv(239, 78%, 70%)
CMYK	cmyk(77.7%, 76.5%, 0%, 29.8%)
CIE-LAB	lab(27.74, 46.23, -71.50)
CIE-LCH	lch(27.74, 85.14, 302.88°)
OKLab	oklab(39.68% 0.0047 -0.207)
OKLCH	oklch(39.68% 0.207 271.3)
XYZ	xyz(9.8370, 5.3606, 43.1554)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AB3 #B3B128

analogous

#286FB3 #282AB3 #6C28B3

triadic

#282AB3 #B3282A #2AB328

tetradic

#282AB3 #B3286F #B3B128 #28B36C

square

#282AB3 #B3286F #B3B128 #28B36C

split-complementary

#282AB3 #B36C28 #6FB328

monochromatic

#12134F #1D1E81 #282AB3 #4345D5 #7577E0

Accessibility & contrast

On white

10.13

#282AB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#282AB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AB3

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AB3	#FFFFFF	#000000	##FFFFFF
##282AB3	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B7

Deuteranopia (green-blind)

#003AB1

Tritanopia (blue-blind)

#00536D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #282ab3;
/* rgb */ color: rgb(40, 42, 179);
/* oklch */ color: oklch(39.7% 0.207 271.3);

Tailwind

colors: {
  custom: {
    50: '#7b66cb',
    500: '#282ab3',
    950: '#000000',
  },
}

SCSS

$custom: #282ab3;
$custom-light: #7b66cb;
$custom-dark: #000000;

JSON

{
  "hex": "#282ab3",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 179
  },
  "hsl": {
    "h": 239.137,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.39678,
    "c": 0.20707,
    "h": 271.3
  },
  "luminance": 0.05362
}

Semantic roles & 50–950 ramp

primary

#282AB3

secondary

#C8C66F

accent

#E441E6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #282AB3

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

Preview Lab → · Contrast checker → · Palette generator →