#282D89#282D89

#282D89 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.150 H 273.5°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#282D89
RGB	rgb(40, 45, 137)
HSL	hsl(237, 55%, 35%)
HSV	hsv(237, 71%, 54%)
CMYK	cmyk(70.8%, 67.2%, 0%, 46.3%)
CIE-LAB	lab(24.11, 29.76, -51.87)
CIE-LCH	lch(24.11, 59.81, 299.85°)
OKLab	oklab(35.79% 0.0093 -0.1498)
OKLCH	oklch(35.79% 0.15 273.5)
XYZ	xyz(6.3273, 4.1334, 24.1264)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D89 #898428

analogous

#285E89 #282D89 #532889

triadic

#282D89 #89282D #2D8928

tetradic

#282D89 #89285E #898428 #288953

square

#282D89 #89285E #898428 #288953

split-complementary

#282D89 #895328 #5E8928

monochromatic

#0C0E2A #1A1D5A #282D89 #363DB8 #5C62CF

Accessibility & contrast

On white

11.50

#282D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#282D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D89

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D89	#FFFFFF	#000000	##FFFFFF
##282D89	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8C

Deuteranopia (green-blind)

#003587

Tritanopia (blue-blind)

#004557

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282d89;
/* rgb */ color: rgb(40, 45, 137);
/* oklch */ color: oklch(35.8% 0.150 273.5);

Tailwind

colors: {
  custom: {
    50: '#7066ac',
    500: '#282d89',
    950: '#000000',
  },
}

SCSS

$custom: #282d89;
$custom-light: #7066ac;
$custom-dark: #000000;

JSON

{
  "hex": "#282d89",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 137
  },
  "hsl": {
    "h": 236.907,
    "s": 54.802,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3579,
    "c": 0.15009,
    "h": 273.5
  },
  "luminance": 0.04134
}

Semantic roles & 50–950 ramp

primary

#282D89

secondary

#B5B058

accent

#D64ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282D89

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

Preview Lab → · Contrast checker → · Palette generator →