#271B83#271B83

#271B83 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.3% C 0.163 H 277.3°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#271B83
RGB	rgb(39, 27, 131)
HSL	hsl(247, 66%, 31%)
HSV	hsv(247, 79%, 51%)
CMYK	cmyk(70.2%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(19.45, 38.52, -55.78)
CIE-LCH	lch(19.45, 67.79, 304.63°)
OKLab	oklab(32.25% 0.0207 -0.1612)
OKLCH	oklch(32.25% 0.163 277.3)
XYZ	xyz(5.3240, 2.8534, 21.7385)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B83 #77831B

analogous

#1B4383 #271B83 #5B1B83

triadic

#271B83 #83271B #1B8327

tetradic

#271B83 #831B43 #77831B #1B835B

square

#271B83 #831B43 #77831B #1B835B

split-complementary

#271B83 #835B1B #43831B

monochromatic

#09061E #181150 #271B83 #3625B6 #5241D8

Accessibility & contrast

On white

13.37

#271B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#271B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B83

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B83	#FFFFFF	#000000	##FFFFFF
##271B83	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003386

Deuteranopia (green-blind)

#002B81

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271b83;
/* rgb */ color: rgb(39, 27, 131);
/* oklch */ color: oklch(32.3% 0.163 277.3);

Tailwind

colors: {
  custom: {
    50: '#705aa8',
    500: '#271b83',
    950: '#000000',
  },
}

SCSS

$custom: #271b83;
$custom-light: #705aa8;
$custom-dark: #000000;

JSON

{
  "hex": "#271b83",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 246.923,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.3225,
    "c": 0.1625,
    "h": 277.3
  },
  "luminance": 0.02854
}

Semantic roles & 50–950 ramp

primary

#271B83

secondary

#A9B643

accent

#E93FD5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B83

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

Preview Lab → · Contrast checker → · Palette generator →