#271D8B#271D8B

#271D8B is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.171 H 275.9°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#271D8B
RGB	rgb(39, 29, 139)
HSL	hsl(245, 65%, 33%)
HSV	hsv(245, 79%, 55%)
CMYK	cmyk(71.9%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(20.73, 40.06, -58.69)
CIE-LCH	lch(20.73, 71.06, 304.32°)
OKLab	oklab(33.41% 0.0176 -0.1697)
OKLCH	oklch(33.41% 0.171 275.9)
XYZ	xyz(5.9347, 3.1736, 24.7209)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D8B #818B1D

analogous

#1D4A8B #271D8B #5E1D8B

triadic

#271D8B #8B271D #1D8B27

tetradic

#271D8B #8B1D4A #818B1D #1D8B5E

square

#271D8B #8B1D4A #818B1D #1D8B5E

split-complementary

#271D8B #8B5E1D #4A8B1D

monochromatic

#0B0826 #191258 #271D8B #3528BE #5649D9

Accessibility & contrast

On white

12.85

#271D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#271D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D8B

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D8B	#FFFFFF	#000000	##FFFFFF
##271D8B	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002D89

Tritanopia (blue-blind)

#003E53

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #271d8b;
/* rgb */ color: rgb(39, 29, 139);
/* oklch */ color: oklch(33.4% 0.171 275.9);

Tailwind

colors: {
  custom: {
    50: '#725cae',
    500: '#271d8b',
    950: '#000000',
  },
}

SCSS

$custom: #271d8b;
$custom-light: #725cae;
$custom-dark: #000000;

JSON

{
  "hex": "#271d8b",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 245.455,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33413,
    "c": 0.17058,
    "h": 275.9
  },
  "luminance": 0.03174
}

Semantic roles & 50–950 ramp

primary

#271D8B

secondary

#B1BB49

accent

#E83FD9

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #271D8B

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

Preview Lab → · Contrast checker → · Palette generator →