#282B9C#282B9C

#282B9C is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.178 H 272.6°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#282B9C
RGB	rgb(40, 43, 156)
HSL	hsl(238, 59%, 38%)
HSV	hsv(238, 74%, 61%)
CMYK	cmyk(74.4%, 72.4%, 0%, 38.8%)
CIE-LAB	lab(25.50, 37.83, -61.32)
CIE-LCH	lch(25.50, 72.05, 301.67°)
OKLab	oklab(37.36% 0.0082 -0.1774)
OKLCH	oklch(37.36% 0.178 272.6)
XYZ	xyz(7.7377, 4.5784, 31.9220)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B9C #9C9928

analogous

#28659C #282B9C #5F289C

triadic

#282B9C #9C282B #2B9C28

tetradic

#282B9C #9C2865 #9C9928 #289C5F

square

#282B9C #9C2865 #9C9928 #289C5F

split-complementary

#282B9C #9C5F28 #659C28

monochromatic

#0F103B #1C1E6B #282B9C #363ACB #6769D8

Accessibility & contrast

On white

10.96

#282B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#282B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B9C

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B9C	#FFFFFF	#000000	##FFFFFF
##282B9C	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)

#00429F

Deuteranopia (green-blind)

#00379A

Tritanopia (blue-blind)

#004B60

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #282b9c;
/* rgb */ color: rgb(40, 43, 156);
/* oklch */ color: oklch(37.4% 0.178 272.6);

Tailwind

colors: {
  custom: {
    50: '#7565ba',
    500: '#282b9c',
    950: '#000000',
  },
}

SCSS

$custom: #282b9c;
$custom-light: #7565ba;
$custom-dark: #000000;

JSON

{
  "hex": "#282b9c",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 156
  },
  "hsl": {
    "h": 238.448,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37359,
    "c": 0.17758,
    "h": 272.6
  },
  "luminance": 0.04579
}

Semantic roles & 50–950 ramp

primary

#282B9C

secondary

#BEBC62

accent

#DE45E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282B9C

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

Preview Lab → · Contrast checker → · Palette generator →