#282F9F#282F9F

#282F9F is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.3% C 0.177 H 271.8°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#282F9F
RGB	rgb(40, 47, 159)
HSL	hsl(236, 60%, 39%)
HSV	hsv(236, 75%, 62%)
CMYK	cmyk(74.8%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(26.70, 36.43, -61.17)
CIE-LCH	lch(26.70, 71.20, 300.77°)
OKLab	oklab(38.31% 0.0056 -0.177)
OKLCH	oklch(38.31% 0.177 271.8)
XYZ	xyz(8.1475, 4.9865, 33.3273)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282F9F #9F9828

analogous

#286B9F #282F9F #5D289F

triadic

#282F9F #9F282F #2F9F28

tetradic

#282F9F #9F286B #9F9828 #289F5D

square

#282F9F #9F286B #9F9828 #289F5D

split-complementary

#282F9F #9F5D28 #6B9F28

monochromatic

#0F123D #1C216E #282F9F #3740CD #686FD9

Accessibility & contrast

On white

10.51

#282F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#282F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282F9F

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282F9F	#FFFFFF	#000000	##FFFFFF
##282F9F	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #282f9f;
/* rgb */ color: rgb(40, 47, 159);
/* oklch */ color: oklch(38.3% 0.177 271.8);

Tailwind

colors: {
  custom: {
    50: '#7568bc',
    500: '#282f9f',
    950: '#000000',
  },
}

SCSS

$custom: #282f9f;
$custom-light: #7568bc;
$custom-dark: #000000;

JSON

{
  "hex": "#282f9f",
  "rgb": {
    "r": 40,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 236.471,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38311,
    "c": 0.17707,
    "h": 271.8
  },
  "luminance": 0.04987
}

Semantic roles & 50–950 ramp

primary

#282F9F

secondary

#BFBA64

accent

#DA45E3

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #282F9F

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

Preview Lab → · Contrast checker → · Palette generator →