#271B6D#271B6D

#271B6D is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.9% C 0.134 H 281.2°. Best body text is #FFFFFF at 14.35:1 contrast (WCAG AA passes).

Color values

HEX	#271B6D
RGB	rgb(39, 27, 109)
HSL	hsl(249, 60%, 27%)
HSV	hsv(249, 75%, 43%)
CMYK	cmyk(64.2%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(17.08, 31.16, -45.57)
CIE-LCH	lch(17.08, 55.21, 304.36°)
OKLab	oklab(29.87% 0.0261 -0.1314)
OKLCH	oklch(29.87% 0.134 281.2)
XYZ	xyz(3.9881, 2.3190, 14.7025)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B6D #616D1B

analogous

#1B386D #271B6D #501B6D

triadic

#271B6D #6D271B #1B6D27

tetradic

#271B6D #6D1B38 #616D1B #1B6D50

square

#271B6D #6D1B38 #616D1B #1B6D50

split-complementary

#271B6D #6D501B #386D1B

monochromatic

#090619 #150F3C #271B6D #39279E #4C35CD

Accessibility & contrast

On white

14.35

#271B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#271B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B6D

14.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B6D	#FFFFFF	#000000	##FFFFFF
##271B6D	1.00	14.35	1.46	14.35
#FFFFFF	14.35	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6F

Deuteranopia (green-blind)

#00276B

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #271b6d;
/* rgb */ color: rgb(39, 27, 109);
/* oklch */ color: oklch(29.9% 0.134 281.2);

Tailwind

colors: {
  custom: {
    50: '#6b5998',
    500: '#271b6d',
    950: '#000000',
  },
}

SCSS

$custom: #271b6d;
$custom-light: #6b5998;
$custom-dark: #000000;

JSON

{
  "hex": "#271b6d",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 248.78,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.29868,
    "c": 0.13395,
    "h": 281.2
  },
  "luminance": 0.02319
}

Semantic roles & 50–950 ramp

primary

#271B6D

secondary

#94A242

accent

#E344CC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #271B6D

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

Preview Lab → · Contrast checker → · Palette generator →