#271B97#271B97

#271B97 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.187 H 274.7°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#271B97
RGB	rgb(39, 27, 151)
HSL	hsl(246, 70%, 35%)
HSV	hsv(246, 82%, 59%)
CMYK	cmyk(74.2%, 82.1%, 0%, 40.8%)
CIE-LAB	lab(21.76, 44.94, -64.43)
CIE-LCH	lch(21.76, 78.56, 304.90°)
OKLab	oklab(34.54% 0.0154 -0.1863)
OKLCH	oklch(34.54% 0.187 274.7)
XYZ	xyz(6.8127, 3.4489, 29.5788)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B97 #8B971B

analogous

#1B4D97 #271B97 #651B97

triadic

#271B97 #97271B #1B9727

tetradic

#271B97 #971B4D #8B971B #1B9765

square

#271B97 #971B4D #8B971B #1B9765

split-complementary

#271B97 #97651B #4D971B

monochromatic

#0C082F #1A1263 #271B97 #3424CB #5B4DDF

Accessibility & contrast

On white

12.43

#271B97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#271B97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B97

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B97	#FFFFFF	#000000	##FFFFFF
##271B97	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A9A

Deuteranopia (green-blind)

#002E95

Tritanopia (blue-blind)

#00425A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #271b97;
/* rgb */ color: rgb(39, 27, 151);
/* oklch */ color: oklch(34.5% 0.187 274.7);

Tailwind

colors: {
  custom: {
    50: '#755bb7',
    500: '#271b97',
    950: '#000000',
  },
}

SCSS

$custom: #271b97;
$custom-light: #755bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#271b97",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 151
  },
  "hsl": {
    "h": 245.806,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3454,
    "c": 0.18694,
    "h": 274.7
  },
  "luminance": 0.0345
}

Semantic roles & 50–950 ramp

primary

#271B97

secondary

#B6C14C

accent

#EC3BDB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #271B97

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

Preview Lab → · Contrast checker → · Palette generator →