#2B283F#2B283F

#2B283F is a dark, muted blue. Relative luminance 0.024; OKLCH L 29.1% C 0.042 H 289.5°. Best body text is #FFFFFF at 14.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B283F
RGB	rgb(43, 40, 63)
HSL	hsl(248, 22%, 20%)
HSV	hsv(248, 37%, 25%)
CMYK	cmyk(31.7%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(17.41, 7.63, -14.12)
CIE-LCH	lch(17.41, 16.05, 298.38°)
OKLab	oklab(29.1% 0.0139 -0.0392)
OKLCH	oklch(29.1% 0.042 289.5)
XYZ	xyz(2.6520, 2.3900, 5.0233)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B283F #3C3F28

analogous

#28303F #2B283F #36283F

triadic

#2B283F #3F2B28 #283F2B

tetradic

#2B283F #3F2830 #3C3F28 #283F36

square

#2B283F #3F2830 #3C3F28 #283F36

split-complementary

#2B283F #3F3628 #303F28

monochromatic

#0D0C13 #11101A #2B283F #454064 #5E588A

Accessibility & contrast

On white

14.21

#2B283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#2B283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B283F

14.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B283F	#FFFFFF	#000000	##FFFFFF
##2B283F	1.00	14.21	1.48	14.21
#FFFFFF	14.21	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222B40

Deuteranopia (green-blind)

#222A3E

Tritanopia (blue-blind)

#262C30

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #2b283f;
/* rgb */ color: rgb(43, 40, 63);
/* oklch */ color: oklch(29.1% 0.042 289.5);

Tailwind

colors: {
  custom: {
    50: '#656174',
    500: '#2b283f',
    950: '#000000',
  },
}

SCSS

$custom: #2b283f;
$custom-light: #656174;
$custom-dark: #000000;

JSON

{
  "hex": "#2b283f",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 247.826,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.29098,
    "c": 0.04158,
    "h": 289.5
  },
  "luminance": 0.0239
}

Semantic roles & 50–950 ramp

primary

#2B283F

secondary

#6D7152

accent

#BF69B4

background

#F6F5F7

surface

#EBE9ED

border

#C6C5C8

text

#050508

muted

#7A797B

Preview Lab

Preview with #2B283F

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

Preview Lab → · Contrast checker → · Palette generator →