#271B5B#271B5B

#271B5B is a dark, moderate violet. Relative luminance 0.020; OKLCH L 28.1% C 0.109 H 285.6°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#271B5B
RGB	rgb(39, 27, 91)
HSL	hsl(251, 54%, 23%)
HSV	hsv(251, 70%, 36%)
CMYK	cmyk(57.1%, 70.3%, 0%, 64.3%)
CIE-LAB	lab(15.33, 24.98, -36.55)
CIE-LCH	lch(15.33, 44.27, 304.35°)
OKLab	oklab(28.08% 0.0293 -0.1049)
OKLCH	oklch(28.08% 0.109 285.6)
XYZ	xyz(3.1164, 1.9704, 10.1116)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B5B #4F5B1B

analogous

#1B2F5B #271B5B #471B5B

triadic

#271B5B #5B271B #1B5B27

tetradic

#271B5B #5B1B2F #4F5B1B #1B5B47

square

#271B5B #5B1B2F #4F5B1B #1B5B47

split-complementary

#271B5B #5B471B #2F5B1B

monochromatic

#0A0718 #130D2C #271B5B #3B298A #4F37B9

Accessibility & contrast

On white

15.06

#271B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#271B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B5B

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B5B	#FFFFFF	#000000	##FFFFFF
##271B5B	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#122B38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #271b5b;
/* rgb */ color: rgb(39, 27, 91);
/* oklch */ color: oklch(28.1% 0.109 285.6);

Tailwind

colors: {
  custom: {
    50: '#67588a',
    500: '#271b5b',
    950: '#000000',
  },
}

SCSS

$custom: #271b5b;
$custom-light: #67588a;
$custom-dark: #000000;

JSON

{
  "hex": "#271b5b",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 251.25,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.28076,
    "c": 0.10896,
    "h": 285.6
  },
  "luminance": 0.01971
}

Semantic roles & 50–950 ramp

primary

#271B5B

secondary

#829141

accent

#DE4AC2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #271B5B

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

Preview Lab → · Contrast checker → · Palette generator →