#282F99#282F99

#282F99 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.7% C 0.169 H 272.1°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#282F99
RGB	rgb(40, 47, 153)
HSL	hsl(236, 59%, 38%)
HSV	hsv(236, 74%, 60%)
CMYK	cmyk(73.9%, 69.3%, 0%, 40%)
CIE-LAB	lab(26.11, 34.28, -58.48)
CIE-LCH	lch(26.11, 67.78, 300.38°)
OKLab	oklab(37.71% 0.0063 -0.1691)
OKLCH	oklch(37.71% 0.169 272.1)
XYZ	xyz(7.6394, 4.7833, 30.6515)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F99 #999228

analogous

#286799 #282F99 #592899

triadic

#282F99 #99282F #2F9928

tetradic

#282F99 #992867 #999228 #289959

square

#282F99 #992867 #999228 #289959

split-complementary

#282F99 #995928 #679928

monochromatic

#0F1138 #1B2068 #282F99 #353ECA #656CD7

Accessibility & contrast

On white

10.73

#282F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#282F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F99

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F99	#FFFFFF	#000000	##FFFFFF
##282F99	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003897

Tritanopia (blue-blind)

#004C60

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #282f99;
/* rgb */ color: rgb(40, 47, 153);
/* oklch */ color: oklch(37.7% 0.169 272.1);

Tailwind

colors: {
  custom: {
    50: '#7468b8',
    500: '#282f99',
    950: '#000000',
  },
}

SCSS

$custom: #282f99;
$custom-light: #7468b8;
$custom-dark: #000000;

JSON

{
  "hex": "#282f99",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 236.283,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37708,
    "c": 0.16923,
    "h": 272.1
  },
  "luminance": 0.04784
}

Semantic roles & 50–950 ramp

primary

#282F99

secondary

#BDB760

accent

#D846E2

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #282F99

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

Preview Lab → · Contrast checker → · Palette generator →