#282AA1#282AA1

#282AA1 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.185 H 272.5°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#282AA1
RGB	rgb(40, 42, 161)
HSL	hsl(239, 60%, 39%)
HSV	hsv(239, 75%, 63%)
CMYK	cmyk(75.2%, 73.9%, 0%, 36.9%)
CIE-LAB	lab(25.80, 40.16, -63.86)
CIE-LCH	lch(25.80, 75.44, 302.16°)
OKLab	oklab(37.73% 0.0079 -0.1848)
OKLCH	oklch(37.73% 0.185 272.5)
XYZ	xyz(8.1339, 4.6794, 34.1858)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282AA1 #A19F28

analogous

#2867A1 #282AA1 #6328A1

triadic

#282AA1 #A1282A #2AA128

tetradic

#282AA1 #A12867 #A19F28 #28A163

square

#282AA1 #A12867 #A19F28 #28A163

split-complementary

#282AA1 #A16328 #67A128

monochromatic

#10103F #1C1D70 #282AA1 #393BCE #6A6BDA

Accessibility & contrast

On white

10.85

#282AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#282AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282AA1

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282AA1	#FFFFFF	#000000	##FFFFFF
##282AA1	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A4

Deuteranopia (green-blind)

#00379F

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #282aa1;
/* rgb */ color: rgb(40, 42, 161);
/* oklch */ color: oklch(37.7% 0.185 272.5);

Tailwind

colors: {
  custom: {
    50: '#7665be',
    500: '#282aa1',
    950: '#000000',
  },
}

SCSS

$custom: #282aa1;
$custom-light: #7665be;
$custom-dark: #000000;

JSON

{
  "hex": "#282aa1",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 161
  },
  "hsl": {
    "h": 239.008,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37731,
    "c": 0.18498,
    "h": 272.5
  },
  "luminance": 0.0468
}

Semantic roles & 50–950 ramp

primary

#282AA1

secondary

#C0BF65

accent

#E144E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282AA1

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

Preview Lab → · Contrast checker → · Palette generator →