#282D88#282D88

#282D88 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.7% C 0.149 H 273.6°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#282D88
RGB	rgb(40, 45, 136)
HSL	hsl(237, 55%, 35%)
HSV	hsv(237, 71%, 53%)
CMYK	cmyk(70.6%, 66.9%, 0%, 46.7%)
CIE-LAB	lab(24.02, 29.40, -51.40)
CIE-LCH	lch(24.02, 59.21, 299.77°)
OKLab	oklab(35.69% 0.0093 -0.1484)
OKLCH	oklch(35.69% 0.149 273.6)
XYZ	xyz(6.2559, 4.1049, 23.7504)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282D88 #888328

analogous

#285D88 #282D88 #532888

triadic

#282D88 #88282D #2D8828

tetradic

#282D88 #88285D #888328 #288853

square

#282D88 #88285D #888328 #288853

split-complementary

#282D88 #885328 #5D8828

monochromatic

#0C0E29 #1A1D59 #282D88 #363DB7 #5B62CF

Accessibility & contrast

On white

11.53

#282D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#282D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282D88

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282D88	#FFFFFF	#000000	##FFFFFF
##282D88	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#003586

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282d88;
/* rgb */ color: rgb(40, 45, 136);
/* oklch */ color: oklch(35.7% 0.149 273.6);

Tailwind

colors: {
  custom: {
    50: '#7066ac',
    500: '#282d88',
    950: '#000000',
  },
}

SCSS

$custom: #282d88;
$custom-light: #7066ac;
$custom-dark: #000000;

JSON

{
  "hex": "#282d88",
  "rgb": {
    "r": 40,
    "g": 45,
    "b": 136
  },
  "hsl": {
    "h": 236.875,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35694,
    "c": 0.1487,
    "h": 273.6
  },
  "luminance": 0.04105
}

Semantic roles & 50–950 ramp

primary

#282D88

secondary

#B4AF58

accent

#D64ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282D88

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

Preview Lab → · Contrast checker → · Palette generator →