#282B59#282B59

#282B59 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.2% C 0.081 H 277.8°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#282B59
RGB	rgb(40, 43, 89)
HSL	hsl(236, 38%, 25%)
HSV	hsv(236, 55%, 35%)
CMYK	cmyk(55.1%, 51.7%, 0%, 65.1%)
CIE-LAB	lab(19.64, 13.39, -28.25)
CIE-LCH	lch(19.64, 31.26, 295.36°)
OKLab	oklab(31.24% 0.011 -0.0804)
OKLCH	oklch(31.24% 0.081 277.8)
XYZ	xyz(3.5416, 2.8999, 9.8224)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#282B59 #595628

analogous

#284359 #282B59 #3E2859

triadic

#282B59 #59282B #2B5928

tetradic

#282B59 #592843 #595628 #28593E

square

#282B59 #592843 #595628 #28593E

split-complementary

#282B59 #593E28 #435928

monochromatic

#090A15 #15172F #282B59 #3B3F83 #4E54AD

Accessibility & contrast

On white

13.29

#282B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#282B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #282B59

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##282B59	#FFFFFF	#000000	##FFFFFF
##282B59	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16325B

Deuteranopia (green-blind)

#112E58

Tritanopia (blue-blind)

#14353D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #282b59;
/* rgb */ color: rgb(40, 43, 89);
/* oklch */ color: oklch(31.2% 0.081 277.8);

Tailwind

colors: {
  custom: {
    50: '#666488',
    500: '#282b59',
    950: '#000000',
  },
}

SCSS

$custom: #282b59;
$custom-light: #666488;
$custom-dark: #000000;

JSON

{
  "hex": "#282b59",
  "rgb": {
    "r": 40,
    "g": 43,
    "b": 89
  },
  "hsl": {
    "h": 236.327,
    "s": 37.984,
    "l": 25.294
  },
  "oklch": {
    "l": 0.31241,
    "c": 0.08116,
    "h": 277.8
  },
  "luminance": 0.029
}

Semantic roles & 50–950 ramp

primary

#282B59

secondary

#8C8851

accent

#C75ACE

background

#F6F5F8

surface

#EBEAF0

border

#C6C6CB

text

#06050B

muted

#7A797C

Preview Lab

Preview with #282B59

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

Preview Lab → · Contrast checker → · Palette generator →