#282A9E#282A9E

#282A9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.181 H 272.7°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#282A9E
RGB	rgb(40, 42, 158)
HSL	hsl(239, 60%, 39%)
HSV	hsv(239, 75%, 62%)
CMYK	cmyk(74.7%, 73.4%, 0%, 38%)
CIE-LAB	lab(25.49, 39.13, -62.55)
CIE-LCH	lch(25.49, 73.78, 302.03°)
OKLab	oklab(37.41% 0.0084 -0.181)
OKLCH	oklch(37.41% 0.181 272.7)
XYZ	xyz(7.8725, 4.5749, 32.8093)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A9E #9E9C28

analogous

#28659E #282A9E #61289E

triadic

#282A9E #9E282A #2A9E28

tetradic

#282A9E #9E2865 #9E9C28 #289E61

square

#282A9E #9E2865 #9E9C28 #289E61

split-complementary

#282A9E #9E6128 #659E28

monochromatic

#0F103C #1C1D6D #282A9E #3739CC #686AD9

Accessibility & contrast

On white

10.96

#282A9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#282A9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A9E

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A9E	#FFFFFF	#000000	##FFFFFF
##282A9E	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282a9e;
/* rgb */ color: rgb(40, 42, 158);
/* oklch */ color: oklch(37.4% 0.181 272.7);

Tailwind

colors: {
  custom: {
    50: '#7565bc',
    500: '#282a9e',
    950: '#000000',
  },
}

SCSS

$custom: #282a9e;
$custom-light: #7565bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282a9e",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 158
  },
  "hsl": {
    "h": 238.983,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37413,
    "c": 0.1812,
    "h": 272.7
  },
  "luminance": 0.04576
}

Semantic roles & 50–950 ramp

primary

#282A9E

secondary

#BFBD63

accent

#E045E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #282A9E

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

Preview Lab → · Contrast checker → · Palette generator →