#282A9C#282A9C

#282A9C is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.2% C 0.179 H 272.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#282A9C
RGB	rgb(40, 42, 156)
HSL	hsl(239, 59%, 38%)
HSV	hsv(239, 74%, 61%)
CMYK	cmyk(74.4%, 73.1%, 0%, 38.8%)
CIE-LAB	lab(25.28, 38.43, -61.67)
CIE-LCH	lch(25.28, 72.67, 301.93°)
OKLab	oklab(37.2% 0.0088 -0.1784)
OKLCH	oklch(37.2% 0.179 272.8)
XYZ	xyz(7.7018, 4.5066, 31.9100)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282A9C #9C9A28

analogous

#28649C #282A9C #60289C

triadic

#282A9C #9C282A #2A9C28

tetradic

#282A9C #9C2864 #9C9A28 #289C60

square

#282A9C #9C2864 #9C9A28 #289C60

split-complementary

#282A9C #9C6028 #649C28

monochromatic

#0F103B #1C1D6B #282A9C #3638CB #6768D8

Accessibility & contrast

On white

11.04

#282A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#282A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282A9C

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282A9C	#FFFFFF	#000000	##FFFFFF
##282A9C	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419F

Deuteranopia (green-blind)

#00369A

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282a9c;
/* rgb */ color: rgb(40, 42, 156);
/* oklch */ color: oklch(37.2% 0.179 272.8);

Tailwind

colors: {
  custom: {
    50: '#7565ba',
    500: '#282a9c',
    950: '#000000',
  },
}

SCSS

$custom: #282a9c;
$custom-light: #7565ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282a9c",
  "rgb": {
    "r": 40,
    "g": 42,
    "b": 156
  },
  "hsl": {
    "h": 238.966,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37203,
    "c": 0.17865,
    "h": 272.8
  },
  "luminance": 0.04507
}

Semantic roles & 50–950 ramp

primary

#282A9C

secondary

#BEBC62

accent

#E045E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #282A9C

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

Preview Lab → · Contrast checker → · Palette generator →