#271B73#271B73

#271B73 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.5% C 0.142 H 280.0°. Best body text is #FFFFFF at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#271B73
RGB	rgb(39, 27, 115)
HSL	hsl(248, 62%, 28%)
HSV	hsv(248, 77%, 45%)
CMYK	cmyk(66.1%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(17.70, 33.19, -48.44)
CIE-LCH	lch(17.70, 58.72, 304.42°)
OKLab	oklab(30.5% 0.0247 -0.1398)
OKLCH	oklch(30.5% 0.142 280)
XYZ	xyz(4.3222, 2.4527, 16.4620)
Luminance	0.0245 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B73 #67731B

analogous

#1B3B73 #271B73 #531B73

triadic

#271B73 #73271B #1B7327

tetradic

#271B73 #731B3B #67731B #1B7353

square

#271B73 #731B3B #67731B #1B7353

split-complementary

#271B73 #73531B #3B731B

monochromatic

#080619 #160F41 #271B73 #3827A5 #4D38D0

Accessibility & contrast

On white

14.09

#271B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#271B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B73

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B73	#FFFFFF	#000000	##FFFFFF
##271B73	1.00	14.09	1.49	14.09
#FFFFFF	14.09	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002871

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #271b73;
/* rgb */ color: rgb(39, 27, 115);
/* oklch */ color: oklch(30.5% 0.142 280.0);

Tailwind

colors: {
  custom: {
    50: '#6c599c',
    500: '#271b73',
    950: '#000000',
  },
}

SCSS

$custom: #271b73;
$custom-light: #6c599c;
$custom-dark: #000000;

JSON

{
  "hex": "#271b73",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 248.182,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.305,
    "c": 0.14193,
    "h": 280
  },
  "luminance": 0.02453
}

Semantic roles & 50–950 ramp

primary

#271B73

secondary

#9AA842

accent

#E543CF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #271B73

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

Preview Lab → · Contrast checker → · Palette generator →