#271B8B#271B8B

#271B8B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.172 H 276.2°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#271B8B
RGB	rgb(39, 27, 139)
HSL	hsl(246, 67%, 33%)
HSV	hsv(246, 81%, 55%)
CMYK	cmyk(71.9%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(20.36, 41.12, -59.30)
CIE-LCH	lch(20.36, 72.17, 304.74°)
OKLab	oklab(33.16% 0.0186 -0.1714)
OKLCH	oklch(33.16% 0.172 276.2)
XYZ	xyz(5.8873, 3.0787, 24.7051)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B8B #7F8B1B

analogous

#1B478B #271B8B #5F1B8B

triadic

#271B8B #8B271B #1B8B27

tetradic

#271B8B #8B1B47 #7F8B1B #1B8B5F

square

#271B8B #8B1B47 #7F8B1B #1B8B5F

split-complementary

#271B8B #8B5F1B #478B1B

monochromatic

#0A0725 #191158 #271B8B #3525BE #5545DB

Accessibility & contrast

On white

13.00

#271B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#271B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B8B

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B8B	#FFFFFF	#000000	##FFFFFF
##271B8B	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368E

Deuteranopia (green-blind)

#002C89

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #271b8b;
/* rgb */ color: rgb(39, 27, 139);
/* oklch */ color: oklch(33.2% 0.172 276.2);

Tailwind

colors: {
  custom: {
    50: '#725aae',
    500: '#271b8b',
    950: '#000000',
  },
}

SCSS

$custom: #271b8b;
$custom-light: #725aae;
$custom-dark: #000000;

JSON

{
  "hex": "#271b8b",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 246.429,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.33155,
    "c": 0.17243,
    "h": 276.2
  },
  "luminance": 0.03079
}

Semantic roles & 50–950 ramp

primary

#271B8B

secondary

#B0BC45

accent

#EA3DD8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B8B

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

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