#271B85#271B85

#271B85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.165 H 277.0°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#271B85
RGB	rgb(39, 27, 133)
HSL	hsl(247, 66%, 31%)
HSV	hsv(247, 80%, 52%)
CMYK	cmyk(70.7%, 79.7%, 0%, 47.8%)
CIE-LAB	lab(19.67, 39.17, -56.67)
CIE-LCH	lch(19.67, 68.89, 304.66°)
OKLab	oklab(32.48% 0.0202 -0.1638)
OKLCH	oklch(32.48% 0.165 277)
XYZ	xyz(5.4609, 2.9082, 22.4593)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B85 #79851B

analogous

#1B4485 #271B85 #5C1B85

triadic

#271B85 #85271B #1B8527

tetradic

#271B85 #851B44 #79851B #1B855C

square

#271B85 #851B44 #79851B #1B855C

split-complementary

#271B85 #855C1B #44851B

monochromatic

#09061F #181152 #271B85 #3625B8 #5342D9

Accessibility & contrast

On white

13.28

#271B85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#271B85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B85

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B85	#FFFFFF	#000000	##FFFFFF
##271B85	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002B83

Tritanopia (blue-blind)

#003B4F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #271b85;
/* rgb */ color: rgb(39, 27, 133);
/* oklch */ color: oklch(32.5% 0.165 277.0);

Tailwind

colors: {
  custom: {
    50: '#705aaa',
    500: '#271b85',
    950: '#000000',
  },
}

SCSS

$custom: #271b85;
$custom-light: #705aaa;
$custom-dark: #000000;

JSON

{
  "hex": "#271b85",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 133
  },
  "hsl": {
    "h": 246.792,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32475,
    "c": 0.165,
    "h": 277
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#271B85

secondary

#ABB844

accent

#E93FD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B85

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

Preview Lab → · Contrast checker → · Palette generator →