#282F83#282F83

#282F83 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.6% C 0.139 H 273.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#282F83
RGB	rgb(40, 47, 131)
HSL	hsl(235, 53%, 34%)
HSV	hsv(235, 69%, 51%)
CMYK	cmyk(69.5%, 64.1%, 0%, 48.6%)
CIE-LAB	lab(24.07, 26.22, -48.18)
CIE-LCH	lch(24.07, 54.85, 298.56°)
OKLab	oklab(35.6% 0.0081 -0.1389)
OKLCH	oklch(35.6% 0.139 273.3)
XYZ	xyz(5.9870, 4.1223, 21.9485)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F83 #837C28

analogous

#285C83 #282F83 #4E2883

triadic

#282F83 #83282F #2F8328

tetradic

#282F83 #83285C #837C28 #28834E

square

#282F83 #83285C #837C28 #28834E

split-complementary

#282F83 #834E28 #5C8328

monochromatic

#0B0D25 #1A1E54 #282F83 #3640B2 #5962CC

Accessibility & contrast

On white

11.51

#282F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#282F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F83

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F83	#FFFFFF	#000000	##FFFFFF
##282F83	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#003581

Tritanopia (blue-blind)

#004454

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #282f83;
/* rgb */ color: rgb(40, 47, 131);
/* oklch */ color: oklch(35.6% 0.139 273.3);

Tailwind

colors: {
  custom: {
    50: '#6e67a8',
    500: '#282f83',
    950: '#000000',
  },
}

SCSS

$custom: #282f83;
$custom-light: #6e67a8;
$custom-dark: #000000;

JSON

{
  "hex": "#282f83",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 131
  },
  "hsl": {
    "h": 235.385,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35596,
    "c": 0.13918,
    "h": 273.3
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#282F83

secondary

#B1AA55

accent

#D14BDD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #282F83

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

Preview Lab → · Contrast checker → · Palette generator →