#271B76#271B76

#271B76 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.146 H 279.5°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#271B76
RGB	rgb(39, 27, 118)
HSL	hsl(248, 63%, 28%)
HSV	hsv(248, 77%, 46%)
CMYK	cmyk(66.9%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(18.02, 34.21, -49.85)
CIE-LCH	lch(18.02, 60.45, 304.46°)
OKLab	oklab(30.82% 0.024 -0.1439)
OKLCH	oklch(30.82% 0.146 279.5)
XYZ	xyz(4.4976, 2.5228, 17.3860)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B76 #6A761B

analogous

#1B3C76 #271B76 #541B76

triadic

#271B76 #76271B #1B7627

tetradic

#271B76 #761B3C #6A761B #1B7654

square

#271B76 #761B3C #6A761B #1B7654

split-complementary

#271B76 #76541B #3C761B

monochromatic

#080619 #171044 #271B76 #3726A8 #4E3AD2

Accessibility & contrast

On white

13.96

#271B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#271B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B76

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B76	#FFFFFF	#000000	##FFFFFF
##271B76	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F79

Deuteranopia (green-blind)

#002874

Tritanopia (blue-blind)

#003547

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #271b76;
/* rgb */ color: rgb(39, 27, 118);
/* oklch */ color: oklch(30.8% 0.146 279.5);

Tailwind

colors: {
  custom: {
    50: '#6d599e',
    500: '#271b76',
    950: '#000000',
  },
}

SCSS

$custom: #271b76;
$custom-light: #6d599e;
$custom-dark: #000000;

JSON

{
  "hex": "#271b76",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 247.912,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.30821,
    "c": 0.14587,
    "h": 279.5
  },
  "luminance": 0.02523
}

Semantic roles & 50–950 ramp

primary

#271B76

secondary

#9DAA42

accent

#E642D0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040E

muted

#7B797E

Preview Lab

Preview with #271B76

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

Preview Lab → · Contrast checker → · Palette generator →