#271F88#271F88

#271F88 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.165 H 276.0°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#271F88
RGB	rgb(39, 31, 136)
HSL	hsl(245, 63%, 33%)
HSV	hsv(245, 77%, 53%)
CMYK	cmyk(71.3%, 77.2%, 0%, 46.7%)
CIE-LAB	lab(20.78, 37.95, -56.72)
CIE-LCH	lch(20.78, 68.25, 303.79°)
OKLab	oklab(33.35% 0.0173 -0.164)
OKLCH	oklch(33.35% 0.165 276)
XYZ	xyz(5.7692, 3.1883, 23.5992)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F88 #80881F

analogous

#1F4C88 #271F88 #5B1F88

triadic

#271F88 #88271F #1F8827

tetradic

#271F88 #881F4C #80881F #1F885B

square

#271F88 #881F4C #80881F #1F885B

split-complementary

#271F88 #885B1F #4C881F

monochromatic

#0A0824 #191456 #271F88 #352ABA #564BD6

Accessibility & contrast

On white

12.82

#271F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#271F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F88

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F88	#FFFFFF	#000000	##FFFFFF
##271F88	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368B

Deuteranopia (green-blind)

#002D86

Tritanopia (blue-blind)

#003E52

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #271f88;
/* rgb */ color: rgb(39, 31, 136);
/* oklch */ color: oklch(33.4% 0.165 276.0);

Tailwind

colors: {
  custom: {
    50: '#715dac',
    500: '#271f88',
    950: '#000000',
  },
}

SCSS

$custom: #271f88;
$custom-light: #715dac;
$custom-dark: #000000;

JSON

{
  "hex": "#271f88",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 136
  },
  "hsl": {
    "h": 244.571,
    "s": 62.874,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33354,
    "c": 0.16486,
    "h": 276
  },
  "luminance": 0.03189
}

Semantic roles & 50–950 ramp

primary

#271F88

secondary

#B0B94A

accent

#E642D9

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271F88

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

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