#282B89#282B89

#282B89 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.153 H 274.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#282B89
RGB	rgb(40, 43, 137)
HSL	hsl(238, 55%, 35%)
HSV	hsv(238, 71%, 54%)
CMYK	cmyk(70.8%, 68.6%, 0%, 46.3%)
CIE-LAB	lab(23.62, 31.07, -52.67)
CIE-LCH	lch(23.62, 61.15, 300.53°)
OKLab	oklab(35.44% 0.0107 -0.1521)
OKLCH	oklch(35.44% 0.153 274)
XYZ	xyz(6.2528, 3.9844, 24.1016)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B89 #898628

analogous

#285C89 #282B89 #552889

triadic

#282B89 #89282B #2B8928

tetradic

#282B89 #89285C #898628 #288955

square

#282B89 #89285C #898628 #288955

split-complementary

#282B89 #895528 #5C8928

monochromatic

#0C0D2A #1A1C5A #282B89 #363AB8 #5C60CF

Accessibility & contrast

On white

11.69

#282B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#282B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B89

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B89	#FFFFFF	#000000	##FFFFFF
##282B89	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #282b89;
/* rgb */ color: rgb(40, 43, 137);
/* oklch */ color: oklch(35.4% 0.153 274.0);

Tailwind

colors: {
  custom: {
    50: '#7065ac',
    500: '#282b89',
    950: '#000000',
  },
}

SCSS

$custom: #282b89;
$custom-light: #7065ac;
$custom-dark: #000000;

JSON

{
  "hex": "#282b89",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 137
  },
  "hsl": {
    "h": 238.144,
    "s": 54.802,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35435,
    "c": 0.15253,
    "h": 274
  },
  "luminance": 0.03985
}

Semantic roles & 50–950 ramp

primary

#282B89

secondary

#B5B258

accent

#DA4ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #282B89

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

Preview Lab → · Contrast checker → · Palette generator →