#271B88#271B88

#271B88 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.8% C 0.169 H 276.6°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#271B88
RGB	rgb(39, 27, 136)
HSL	hsl(247, 67%, 32%)
HSV	hsv(247, 80%, 53%)
CMYK	cmyk(71.3%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(20.01, 40.15, -57.99)
CIE-LCH	lch(20.01, 70.53, 304.70°)
OKLab	oklab(32.81% 0.0194 -0.1676)
OKLCH	oklch(32.81% 0.169 276.6)
XYZ	xyz(5.6711, 2.9923, 23.5665)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B88 #7C881B

analogous

#1B4588 #271B88 #5E1B88

triadic

#271B88 #88271B #1B8827

tetradic

#271B88 #881B45 #7C881B #1B885E

square

#271B88 #881B45 #7C881B #1B885E

split-complementary

#271B88 #885E1B #45881B

monochromatic

#0A0722 #181155 #271B88 #3625BB #5444DA

Accessibility & contrast

On white

13.14

#271B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#271B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B88

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B88	#FFFFFF	#000000	##FFFFFF
##271B88	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358B

Deuteranopia (green-blind)

#002C86

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #271b88;
/* rgb */ color: rgb(39, 27, 136);
/* oklch */ color: oklch(32.8% 0.169 276.6);

Tailwind

colors: {
  custom: {
    50: '#715aac',
    500: '#271b88',
    950: '#000000',
  },
}

SCSS

$custom: #271b88;
$custom-light: #715aac;
$custom-dark: #000000;

JSON

{
  "hex": "#271b88",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 246.606,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.32814,
    "c": 0.16873,
    "h": 276.6
  },
  "luminance": 0.02993
}

Semantic roles & 50–950 ramp

primary

#271B88

secondary

#AEBB44

accent

#EA3ED7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B88

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

Preview Lab → · Contrast checker → · Palette generator →