#271B8D#271B8D

#271B8D is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.4% C 0.175 H 275.9°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#271B8D
RGB	rgb(39, 27, 141)
HSL	hsl(246, 68%, 33%)
HSV	hsv(246, 81%, 55%)
CMYK	cmyk(72.3%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(20.59, 41.77, -60.17)
CIE-LCH	lch(20.59, 73.24, 304.77°)
OKLab	oklab(33.38% 0.0181 -0.1739)
OKLCH	oklch(33.38% 0.175 275.9)
XYZ	xyz(6.0348, 3.1377, 25.4817)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B8D #818D1B

analogous

#1B488D #271B8D #601B8D

triadic

#271B8D #8D271B #1B8D27

tetradic

#271B8D #8D1B48 #818D1B #1B8D60

square

#271B8D #8D1B48 #818D1B #1B8D60

split-complementary

#271B8D #8D601B #488D1B

monochromatic

#0B0726 #19115A #271B8D #3525C0 #5647DC

Accessibility & contrast

On white

12.90

#271B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#271B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B8D

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B8D	#FFFFFF	#000000	##FFFFFF
##271B8D	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002C8B

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #271b8d;
/* rgb */ color: rgb(39, 27, 141);
/* oklch */ color: oklch(33.4% 0.175 275.9);

Tailwind

colors: {
  custom: {
    50: '#725bb0',
    500: '#271b8d',
    950: '#000000',
  },
}

SCSS

$custom: #271b8d;
$custom-light: #725bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#271b8d",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 246.316,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33383,
    "c": 0.17488,
    "h": 275.9
  },
  "luminance": 0.03138
}

Semantic roles & 50–950 ramp

primary

#271B8D

secondary

#B1BD46

accent

#EB3DD8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271B8D

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

Preview Lab → · Contrast checker → · Palette generator →