#271B9E#271B9E

#271B9E is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.195 H 274.0°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#271B9E
RGB	rgb(39, 27, 158)
HSL	hsl(245, 71%, 36%)
HSV	hsv(245, 83%, 62%)
CMYK	cmyk(75.3%, 82.9%, 0%, 38%)
CIE-LAB	lab(22.59, 47.13, -67.34)
CIE-LCH	lch(22.59, 82.19, 304.99°)
OKLab	oklab(35.36% 0.0135 -0.1947)
OKLCH	oklch(35.36% 0.195 274)
XYZ	xyz(7.3981, 3.6831, 32.6621)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B9E #929E1B

analogous

#1B519E #271B9E #691B9E

triadic

#271B9E #9E271B #1B9E27

tetradic

#271B9E #9E1B51 #929E1B #1B9E69

square

#271B9E #9E1B51 #929E1B #1B9E69

split-complementary

#271B9E #9E691B #519E1B

monochromatic

#0D0935 #1A126A #271B9E #3424D2 #5F52E1

Accessibility & contrast

On white

12.09

#271B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#271B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B9E

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B9E	#FFFFFF	#000000	##FFFFFF
##271B9E	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#00309C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271b9e;
/* rgb */ color: rgb(39, 27, 158);
/* oklch */ color: oklch(35.4% 0.195 274.0);

Tailwind

colors: {
  custom: {
    50: '#765cbc',
    500: '#271b9e',
    950: '#000000',
  },
}

SCSS

$custom: #271b9e;
$custom-light: #765cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#271b9e",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 245.496,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35362,
    "c": 0.19521,
    "h": 274
  },
  "luminance": 0.03684
}

Semantic roles & 50–950 ramp

primary

#271B9E

secondary

#BAC451

accent

#EE3ADD

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271B9E

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

Preview Lab → · Contrast checker → · Palette generator →