#282B63#282B63

#282B63 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 32.0% C 0.097 H 277.1°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#282B63
RGB	rgb(40, 43, 99)
HSL	hsl(237, 42%, 27%)
HSV	hsv(237, 60%, 39%)
CMYK	cmyk(59.6%, 56.6%, 0%, 61.2%)
CIE-LAB	lab(20.36, 17.06, -33.69)
CIE-LCH	lch(20.36, 37.77, 296.85°)
OKLab	oklab(32.02% 0.012 -0.0964)
OKLCH	oklch(32.02% 0.097 277.1)
XYZ	xyz(3.9904, 3.0794, 12.1861)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B63 #636028

analogous

#284963 #282B63 #432863

triadic

#282B63 #63282B #2B6328

tetradic

#282B63 #632849 #636028 #286343

square

#282B63 #632849 #636028 #286343

split-complementary

#282B63 #634328 #496328

monochromatic

#090916 #161837 #282B63 #3A3E8F #4E53B7

Accessibility & contrast

On white

13.00

#282B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#282B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B63

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B63	#FFFFFF	#000000	##FFFFFF
##282B63	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A3465

Deuteranopia (green-blind)

#002F62

Tritanopia (blue-blind)

#083842

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #282b63;
/* rgb */ color: rgb(40, 43, 99);
/* oklch */ color: oklch(32.0% 0.097 277.1);

Tailwind

colors: {
  custom: {
    50: '#686490',
    500: '#282b63',
    950: '#000000',
  },
}

SCSS

$custom: #282b63;
$custom-light: #686490;
$custom-dark: #000000;

JSON

{
  "hex": "#282b63",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 99
  },
  "hsl": {
    "h": 236.949,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32015,
    "c": 0.09715,
    "h": 277.1
  },
  "luminance": 0.0308
}

Semantic roles & 50–950 ramp

primary

#282B63

secondary

#969251

accent

#CC56D2

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #282B63

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

Preview Lab → · Contrast checker → · Palette generator →