#282FA0#282FA0

#282FA0 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.178 H 271.8°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#282FA0
RGB	rgb(40, 47, 160)
HSL	hsl(237, 60%, 39%)
HSV	hsv(237, 75%, 63%)
CMYK	cmyk(75%, 70.6%, 0%, 37.3%)
CIE-LAB	lab(26.80, 36.78, -61.62)
CIE-LCH	lch(26.80, 71.76, 300.83°)
OKLab	oklab(38.41% 0.0055 -0.1783)
OKLCH	oklch(38.41% 0.178 271.8)
XYZ	xyz(8.2346, 5.0214, 33.7861)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282FA0 #A09928

analogous

#286BA0 #282FA0 #5D28A0

triadic

#282FA0 #A0282F #2FA028

tetradic

#282FA0 #A0286B #A09928 #28A05D

square

#282FA0 #A0286B #A09928 #28A05D

split-complementary

#282FA0 #A05D28 #6BA028

monochromatic

#10123E #1C216F #282FA0 #3841CD #696FD9

Accessibility & contrast

On white

10.48

#282FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#282FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282FA0

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282FA0	#FFFFFF	#000000	##FFFFFF
##282FA0	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A3

Deuteranopia (green-blind)

#003A9E

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282fa0;
/* rgb */ color: rgb(40, 47, 160);
/* oklch */ color: oklch(38.4% 0.178 271.8);

Tailwind

colors: {
  custom: {
    50: '#7568bd',
    500: '#282fa0',
    950: '#000000',
  },
}

SCSS

$custom: #282fa0;
$custom-light: #7568bd;
$custom-dark: #000000;

JSON

{
  "hex": "#282fa0",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 160
  },
  "hsl": {
    "h": 236.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38413,
    "c": 0.17836,
    "h": 271.8
  },
  "luminance": 0.05022
}

Semantic roles & 50–950 ramp

primary

#282FA0

secondary

#C0BA64

accent

#DA45E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282FA0

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

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