#282CA4#282CA4

#282CA4 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.187 H 272.0°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#282CA4
RGB	rgb(40, 44, 164)
HSL	hsl(238, 61%, 40%)
HSV	hsv(238, 76%, 64%)
CMYK	cmyk(75.6%, 73.2%, 0%, 35.7%)
CIE-LAB	lab(26.54, 40.01, -64.46)
CIE-LCH	lch(26.54, 75.87, 301.83°)
OKLab	oklab(38.35% 0.0065 -0.1866)
OKLCH	oklch(38.35% 0.187 272)
XYZ	xyz(8.4743, 4.9319, 35.6201)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282CA4 #A4A028

analogous

#286AA4 #282CA4 #6228A4

triadic

#282CA4 #A4282C #2CA428

tetradic

#282CA4 #A4286A #A4A028 #28A462

square

#282CA4 #A4286A #A4A028 #28A462

split-complementary

#282CA4 #A46228 #6AA428

monochromatic

#101242 #1C1F73 #282CA4 #3A3FCF #6B6FDB

Accessibility & contrast

On white

10.57

#282CA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#282CA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282CA4

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282CA4	#FFFFFF	#000000	##FFFFFF
##282CA4	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A8

Deuteranopia (green-blind)

#0039A2

Tritanopia (blue-blind)

#004E65

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282ca4;
/* rgb */ color: rgb(40, 44, 164);
/* oklch */ color: oklch(38.4% 0.187 272.0);

Tailwind

colors: {
  custom: {
    50: '#7766c0',
    500: '#282ca4',
    950: '#000000',
  },
}

SCSS

$custom: #282ca4;
$custom-light: #7766c0;
$custom-dark: #000000;

JSON

{
  "hex": "#282ca4",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 164
  },
  "hsl": {
    "h": 238.065,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.38351,
    "c": 0.18668,
    "h": 272
  },
  "luminance": 0.04933
}

Semantic roles & 50–950 ramp

primary

#282CA4

secondary

#C1BF66

accent

#DF44E4

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282CA4

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

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