#282C81#282C81

#282C81 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.8% C 0.140 H 274.4°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#282C81
RGB	rgb(40, 44, 129)
HSL	hsl(237, 53%, 33%)
HSV	hsv(237, 69%, 51%)
CMYK	cmyk(69%, 65.9%, 0%, 49.4%)
CIE-LAB	lab(23.12, 27.49, -48.47)
CIE-LCH	lch(23.12, 55.72, 299.56°)
OKLab	oklab(34.85% 0.0107 -0.1398)
OKLCH	oklch(34.85% 0.14 274.4)
XYZ	xyz(5.7369, 3.8369, 21.2029)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282C81 #817D28

analogous

#285881 #282C81 #502881

triadic

#282C81 #81282C #2C8128

tetradic

#282C81 #812858 #817D28 #288150

square

#282C81 #812858 #817D28 #288150

split-complementary

#282C81 #815028 #588128

monochromatic

#0B0C24 #1A1C52 #282C81 #363CB0 #585DCB

Accessibility & contrast

On white

11.88

#282C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#282C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282C81

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282C81	#FFFFFF	#000000	##FFFFFF
##282C81	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #282c81;
/* rgb */ color: rgb(40, 44, 129);
/* oklch */ color: oklch(34.8% 0.140 274.4);

Tailwind

colors: {
  custom: {
    50: '#6e65a6',
    500: '#282c81',
    950: '#000000',
  },
}

SCSS

$custom: #282c81;
$custom-light: #6e65a6;
$custom-dark: #000000;

JSON

{
  "hex": "#282c81",
  "rgb": {
    "r": 40,
    "g": 44,
    "b": 129
  },
  "hsl": {
    "h": 237.303,
    "s": 52.663,
    "l": 33.137
  },
  "oklch": {
    "l": 0.34846,
    "c": 0.14023,
    "h": 274.4
  },
  "luminance": 0.03837
}

Semantic roles & 50–950 ramp

primary

#282C81

secondary

#B0AC54

accent

#D64CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08050F

muted

#7B7A7F

Preview Lab

Preview with #282C81

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

Preview Lab → · Contrast checker → · Palette generator →