#271B82#271B82

#271B82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.1% C 0.161 H 277.5°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#271B82
RGB	rgb(39, 27, 130)
HSL	hsl(247, 66%, 31%)
HSV	hsv(247, 79%, 51%)
CMYK	cmyk(70%, 79.2%, 0%, 49%)
CIE-LAB	lab(19.33, 38.19, -55.33)
CIE-LCH	lch(19.33, 67.23, 304.62°)
OKLab	oklab(32.14% 0.021 -0.1599)
OKLCH	oklch(32.14% 0.161 277.5)
XYZ	xyz(5.2566, 2.8264, 21.3833)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B82 #76821B

analogous

#1B4282 #271B82 #5A1B82

triadic

#271B82 #82271B #1B8227

tetradic

#271B82 #821B42 #76821B #1B825A

square

#271B82 #821B42 #76821B #1B825A

split-complementary

#271B82 #825A1B #42821B

monochromatic

#09061D #18104F #271B82 #3626B5 #5240D7

Accessibility & contrast

On white

13.42

#271B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#271B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B82

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B82	#FFFFFF	#000000	##FFFFFF
##271B82	1.00	13.42	1.57	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002A80

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271b82;
/* rgb */ color: rgb(39, 27, 130);
/* oklch */ color: oklch(32.1% 0.161 277.5);

Tailwind

colors: {
  custom: {
    50: '#705aa7',
    500: '#271b82',
    950: '#000000',
  },
}

SCSS

$custom: #271b82;
$custom-light: #705aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#271b82",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 246.99,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32138,
    "c": 0.16124,
    "h": 277.5
  },
  "luminance": 0.02827
}

Semantic roles & 50–950 ramp

primary

#271B82

secondary

#A8B643

accent

#E93FD5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B82

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

Preview Lab → · Contrast checker → · Palette generator →