#282CA3#282CA3

#282CA3 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.185 H 272.0°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#282CA3
RGB	rgb(40, 44, 163)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 75%, 64%)
CMYK	cmyk(75.5%, 73%, 0%, 36.1%)
CIE-LAB	lab(26.44, 39.66, -64.03)
CIE-LCH	lch(26.44, 75.32, 301.78°)
OKLab	oklab(38.25% 0.0066 -0.1853)
OKLCH	oklch(38.25% 0.185 272)
XYZ	xyz(8.3844, 4.8959, 35.1464)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CA3 #A39F28

analogous

#2869A3 #282CA3 #6228A3

triadic

#282CA3 #A3282C #2CA328

tetradic

#282CA3 #A32869 #A39F28 #28A362

square

#282CA3 #A32869 #A39F28 #28A362

split-complementary

#282CA3 #A36228 #69A328

monochromatic

#101141 #1C1F72 #282CA3 #3A3ECF #6B6EDB

Accessibility & contrast

On white

10.61

#282CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#282CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CA3

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CA3	#FFFFFF	#000000	##FFFFFF
##282CA3	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A7

Deuteranopia (green-blind)

#0039A1

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ca3;
/* rgb */ color: rgb(40, 44, 163);
/* oklch */ color: oklch(38.2% 0.185 272.0);

Tailwind

colors: {
  custom: {
    50: '#7666bf',
    500: '#282ca3',
    950: '#000000',
  },
}

SCSS

$custom: #282ca3;
$custom-light: #7666bf;
$custom-dark: #000000;

JSON

{
  "hex": "#282ca3",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 163
  },
  "hsl": {
    "h": 238.049,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38246,
    "c": 0.18542,
    "h": 272
  },
  "luminance": 0.04897
}

Semantic roles & 50–950 ramp

primary

#282CA3

secondary

#C1BE66

accent

#DF44E4

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282CA3

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

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