#282C88#282C88

#282C88 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.150 H 273.9°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#282C88
RGB	rgb(40, 44, 136)
HSL	hsl(238, 55%, 35%)
HSV	hsv(238, 71%, 53%)
CMYK	cmyk(70.6%, 67.6%, 0%, 46.7%)
CIE-LAB	lab(23.77, 30.05, -51.80)
CIE-LCH	lch(23.77, 59.89, 300.12°)
OKLab	oklab(35.51% 0.0101 -0.1496)
OKLCH	oklch(35.51% 0.15 273.9)
XYZ	xyz(6.2182, 4.0295, 23.7378)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C88 #888428

analogous

#285C88 #282C88 #542888

triadic

#282C88 #88282C #2C8828

tetradic

#282C88 #88285C #888428 #288854

square

#282C88 #88285C #888428 #288854

split-complementary

#282C88 #885428 #5C8828

monochromatic

#0C0D29 #1A1D59 #282C88 #363BB7 #5B60CF

Accessibility & contrast

On white

11.63

#282C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#282C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C88

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C88	#FFFFFF	#000000	##FFFFFF
##282C88	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#003486

Tritanopia (blue-blind)

#004456

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282c88;
/* rgb */ color: rgb(40, 44, 136);
/* oklch */ color: oklch(35.5% 0.150 273.9);

Tailwind

colors: {
  custom: {
    50: '#7065ac',
    500: '#282c88',
    950: '#000000',
  },
}

SCSS

$custom: #282c88;
$custom-light: #7065ac;
$custom-dark: #000000;

JSON

{
  "hex": "#282c88",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 136
  },
  "hsl": {
    "h": 237.5,
    "s": 54.545,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35514,
    "c": 0.14994,
    "h": 273.9
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#282C88

secondary

#B4B058

accent

#D84ADE

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080510

muted

#7B7A7F

Preview Lab

Preview with #282C88

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

Preview Lab → · Contrast checker → · Palette generator →