#282AB8#282AB8

#282AB8 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.2% C 0.213 H 271.0°. Best body text is #FFFFFF at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#282AB8
RGB	rgb(40, 42, 184)
HSL	hsl(239, 64%, 44%)
HSV	hsv(239, 78%, 72%)
CMYK	cmyk(78.3%, 77.2%, 0%, 27.8%)
CIE-LAB	lab(28.29, 47.87, -73.56)
CIE-LCH	lch(28.29, 87.76, 303.05°)
OKLab	oklab(40.23% 0.0038 -0.213)
OKLCH	oklch(40.23% 0.213 271)
XYZ	xyz(10.3518, 5.5666, 45.8670)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AB8 #B8B628

analogous

#2872B8 #282AB8 #6E28B8

triadic

#282AB8 #B8282A #2AB828

tetradic

#282AB8 #B82872 #B8B628 #28B86E

square

#282AB8 #B82872 #B8B628 #28B86E

split-complementary

#282AB8 #B86E28 #72B828

monochromatic

#121353 #1D1F86 #282AB8 #4648D7 #797AE2

Accessibility & contrast

On white

9.94

#282AB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#282AB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AB8

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AB8	#FFFFFF	#000000	##FFFFFF
##282AB8	1.00	9.94	2.11	9.94
#FFFFFF	9.94	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABC

Deuteranopia (green-blind)

#003BB6

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #282ab8;
/* rgb */ color: rgb(40, 42, 184);
/* oklch */ color: oklch(40.2% 0.213 271.0);

Tailwind

colors: {
  custom: {
    50: '#7c66cf',
    500: '#282ab8',
    950: '#000000',
  },
}

SCSS

$custom: #282ab8;
$custom-light: #7c66cf;
$custom-dark: #000000;

JSON

{
  "hex": "#282ab8",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 184
  },
  "hsl": {
    "h": 239.167,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40231,
    "c": 0.21303,
    "h": 271
  },
  "luminance": 0.05568
}

Semantic roles & 50–950 ramp

primary

#282AB8

secondary

#CAC872

accent

#E541E7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0B0614

muted

#7C7A82

Preview Lab

Preview with #282AB8

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

Preview Lab → · Contrast checker → · Palette generator →