#271B72#271B72

#271B72 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.4% C 0.141 H 280.2°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#271B72
RGB	rgb(39, 27, 114)
HSL	hsl(248, 62%, 28%)
HSV	hsv(248, 76%, 45%)
CMYK	cmyk(65.8%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(17.60, 32.86, -47.96)
CIE-LCH	lch(17.60, 58.14, 304.41°)
OKLab	oklab(30.39% 0.025 -0.1384)
OKLCH	oklch(30.39% 0.141 280.2)
XYZ	xyz(4.2649, 2.4298, 16.1606)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B72 #66721B

analogous

#1B3A72 #271B72 #521B72

triadic

#271B72 #72271B #1B7227

tetradic

#271B72 #721B3A #66721B #1B7252

square

#271B72 #721B3A #66721B #1B7252

split-complementary

#271B72 #72521B #3A721B

monochromatic

#080619 #160F41 #271B72 #3827A3 #4D38D0

Accessibility & contrast

On white

14.13

#271B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#271B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B72

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B72	#FFFFFF	#000000	##FFFFFF
##271B72	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E75

Deuteranopia (green-blind)

#002870

Tritanopia (blue-blind)

#003345

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #271b72;
/* rgb */ color: rgb(39, 27, 114);
/* oklch */ color: oklch(30.4% 0.141 280.2);

Tailwind

colors: {
  custom: {
    50: '#6c599b',
    500: '#271b72',
    950: '#000000',
  },
}

SCSS

$custom: #271b72;
$custom-light: #6c599b;
$custom-dark: #000000;

JSON

{
  "hex": "#271b72",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 248.276,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30394,
    "c": 0.14061,
    "h": 280.2
  },
  "luminance": 0.0243
}

Semantic roles & 50–950 ramp

primary

#271B72

secondary

#99A742

accent

#E543CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #271B72

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

Preview Lab → · Contrast checker → · Palette generator →