#282CA6#282CA6

#282CA6 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.6% C 0.189 H 271.9°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#282CA6
RGB	rgb(40, 44, 166)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 76%, 65%)
CMYK	cmyk(75.9%, 73.5%, 0%, 34.9%)
CIE-LAB	lab(26.75, 40.70, -65.33)
CIE-LCH	lch(26.75, 76.97, 301.92°)
OKLab	oklab(38.56% 0.0061 -0.1891)
OKLCH	oklch(38.56% 0.189 271.9)
XYZ	xyz(8.6564, 5.0047, 36.5788)
Luminance	0.0501 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CA6 #A6A228

analogous

#286BA6 #282CA6 #6328A6

triadic

#282CA6 #A6282C #2CA628

tetradic

#282CA6 #A6286B #A6A228 #28A663

square

#282CA6 #A6286B #A6A228 #28A663

split-complementary

#282CA6 #A66328 #6BA628

monochromatic

#101243 #1C1F75 #282CA6 #3B40D0 #6D70DC

Accessibility & contrast

On white

10.49

#282CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#282CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CA6

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CA6	#FFFFFF	#000000	##FFFFFF
##282CA6	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#0039A4

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ca6;
/* rgb */ color: rgb(40, 44, 166);
/* oklch */ color: oklch(38.6% 0.189 271.9);

Tailwind

colors: {
  custom: {
    50: '#7766c2',
    500: '#282ca6',
    950: '#000000',
  },
}

SCSS

$custom: #282ca6;
$custom-light: #7766c2;
$custom-dark: #000000;

JSON

{
  "hex": "#282ca6",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 166
  },
  "hsl": {
    "h": 238.095,
    "s": 61.165,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38562,
    "c": 0.18919,
    "h": 271.9
  },
  "luminance": 0.05006
}

Semantic roles & 50–950 ramp

primary

#282CA6

secondary

#C2BF67

accent

#DF44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282CA6

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

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