#282B5D#282B5D

#282B5D is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.5% C 0.088 H 277.5°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#282B5D
RGB	rgb(40, 43, 93)
HSL	hsl(237, 40%, 26%)
HSV	hsv(237, 57%, 36%)
CMYK	cmyk(57%, 53.8%, 0%, 63.5%)
CIE-LAB	lab(19.92, 14.85, -30.45)
CIE-LCH	lch(19.92, 33.88, 295.99°)
OKLab	oklab(31.54% 0.0115 -0.0869)
OKLCH	oklch(31.54% 0.088 277.5)
XYZ	xyz(3.7141, 2.9689, 10.7312)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B5D #5D5A28

analogous

#28455D #282B5D #3F285D

triadic

#282B5D #5D282B #2B5D28

tetradic

#282B5D #5D2845 #5D5A28 #285D3F

square

#282B5D #5D2845 #5D5A28 #285D3F

split-complementary

#282B5D #5D3F28 #455D28

monochromatic

#090A15 #161732 #282B5D #3A3F88 #4D53B2

Accessibility & contrast

On white

13.18

#282B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#282B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B5D

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B5D	#FFFFFF	#000000	##FFFFFF
##282B5D	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12325F

Deuteranopia (green-blind)

#0C2E5C

Tritanopia (blue-blind)

#10363F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #282b5d;
/* rgb */ color: rgb(40, 43, 93);
/* oklch */ color: oklch(31.5% 0.088 277.5);

Tailwind

colors: {
  custom: {
    50: '#67648b',
    500: '#282b5d',
    950: '#000000',
  },
}

SCSS

$custom: #282b5d;
$custom-light: #67648b;
$custom-dark: #000000;

JSON

{
  "hex": "#282b5d",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 93
  },
  "hsl": {
    "h": 236.604,
    "s": 39.85,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31543,
    "c": 0.08764,
    "h": 277.5
  },
  "luminance": 0.02969
}

Semantic roles & 50–950 ramp

primary

#282B5D

secondary

#908C51

accent

#C958D0

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050C

muted

#7A797D

Preview Lab

Preview with #282B5D

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

Preview Lab → · Contrast checker → · Palette generator →