#282A9D#282A9D

#282A9D is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.3% C 0.180 H 272.7°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#282A9D
RGB	rgb(40, 42, 157)
HSL	hsl(239, 59%, 39%)
HSV	hsv(239, 75%, 62%)
CMYK	cmyk(74.5%, 73.2%, 0%, 38.4%)
CIE-LAB	lab(25.38, 38.78, -62.11)
CIE-LCH	lch(25.38, 73.23, 301.98°)
OKLab	oklab(37.31% 0.0086 -0.1797)
OKLCH	oklch(37.31% 0.18 272.7)
XYZ	xyz(7.7868, 4.5406, 32.3578)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A9D #9D9B28

analogous

#28649D #282A9D #60289D

triadic

#282A9D #9D282A #2A9D28

tetradic

#282A9D #9D2864 #9D9B28 #289D60

square

#282A9D #9D2864 #9D9B28 #289D60

split-complementary

#282A9D #9D6028 #649D28

monochromatic

#0F103B #1C1D6C #282A9D #3639CC #6769D8

Accessibility & contrast

On white

11.01

#282A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#282A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A9D

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A9D	#FFFFFF	#000000	##FFFFFF
##282A9D	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00369B

Tritanopia (blue-blind)

#004B61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282a9d;
/* rgb */ color: rgb(40, 42, 157);
/* oklch */ color: oklch(37.3% 0.180 272.7);

Tailwind

colors: {
  custom: {
    50: '#7565bb',
    500: '#282a9d',
    950: '#000000',
  },
}

SCSS

$custom: #282a9d;
$custom-light: #7565bb;
$custom-dark: #000000;

JSON

{
  "hex": "#282a9d",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 157
  },
  "hsl": {
    "h": 238.974,
    "s": 59.391,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37308,
    "c": 0.17993,
    "h": 272.7
  },
  "luminance": 0.04541
}

Semantic roles & 50–950 ramp

primary

#282A9D

secondary

#BEBD62

accent

#E045E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #282A9D

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

Preview Lab → · Contrast checker → · Palette generator →