#271B89#271B89

#271B89 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.9% C 0.170 H 276.5°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#271B89
RGB	rgb(39, 27, 137)
HSL	hsl(247, 67%, 32%)
HSV	hsv(247, 80%, 54%)
CMYK	cmyk(71.5%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(20.13, 40.48, -58.43)
CIE-LCH	lch(20.13, 71.08, 304.71°)
OKLab	oklab(32.93% 0.0191 -0.1689)
OKLCH	oklch(32.93% 0.17 276.5)
XYZ	xyz(5.7425, 3.0208, 23.9425)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B89 #7D891B

analogous

#1B4689 #271B89 #5E1B89

triadic

#271B89 #89271B #1B8927

tetradic

#271B89 #891B46 #7D891B #1B895E

square

#271B89 #891B46 #7D891B #1B895E

split-complementary

#271B89 #895E1B #46891B

monochromatic

#0A0723 #181156 #271B89 #3625BC #5544DA

Accessibility & contrast

On white

13.09

#271B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#271B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B89

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B89	#FFFFFF	#000000	##FFFFFF
##271B89	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358C

Deuteranopia (green-blind)

#002C87

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #271b89;
/* rgb */ color: rgb(39, 27, 137);
/* oklch */ color: oklch(32.9% 0.170 276.5);

Tailwind

colors: {
  custom: {
    50: '#715aad',
    500: '#271b89',
    950: '#000000',
  },
}

SCSS

$custom: #271b89;
$custom-light: #715aad;
$custom-dark: #000000;

JSON

{
  "hex": "#271b89",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 246.545,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32927,
    "c": 0.16996,
    "h": 276.5
  },
  "luminance": 0.03021
}

Semantic roles & 50–950 ramp

primary

#271B89

secondary

#AFBC44

accent

#EA3ED7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B89

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

Preview Lab → · Contrast checker → · Palette generator →