#271B91#271B91

#271B91 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.180 H 275.4°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#271B91
RGB	rgb(39, 27, 145)
HSL	hsl(246, 69%, 34%)
HSV	hsv(246, 81%, 57%)
CMYK	cmyk(73.1%, 81.4%, 0%, 43.1%)
CIE-LAB	lab(21.05, 43.05, -61.89)
CIE-LCH	lch(21.05, 75.39, 304.82°)
OKLab	oklab(33.84% 0.017 -0.1789)
OKLCH	oklch(33.84% 0.18 275.4)
XYZ	xyz(6.3378, 3.2589, 27.0776)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B91 #85911B

analogous

#1B4A91 #271B91 #621B91

triadic

#271B91 #91271B #1B9127

tetradic

#271B91 #911B4A #85911B #1B9162

square

#271B91 #911B4A #85911B #1B9162

split-complementary

#271B91 #91621B #4A911B

monochromatic

#0B082A #19115D #271B91 #3525C5 #5849DD

Accessibility & contrast

On white

12.71

#271B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#271B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B91

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B91	#FFFFFF	#000000	##FFFFFF
##271B91	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003894

Deuteranopia (green-blind)

#002D8F

Tritanopia (blue-blind)

#003F56

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #271b91;
/* rgb */ color: rgb(39, 27, 145);
/* oklch */ color: oklch(33.8% 0.180 275.4);

Tailwind

colors: {
  custom: {
    50: '#735bb3',
    500: '#271b91',
    950: '#000000',
  },
}

SCSS

$custom: #271b91;
$custom-light: #735bb3;
$custom-dark: #000000;

JSON

{
  "hex": "#271b91",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 145
  },
  "hsl": {
    "h": 246.102,
    "s": 68.605,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33844,
    "c": 0.17973,
    "h": 275.4
  },
  "luminance": 0.0326
}

Semantic roles & 50–950 ramp

primary

#271B91

secondary

#B3BF49

accent

#EB3CDA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271B91

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

Preview Lab → · Contrast checker → · Palette generator →