#271C81#271C81

#271C81 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.159 H 277.5°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#271C81
RGB	rgb(39, 28, 129)
HSL	hsl(247, 64%, 31%)
HSV	hsv(247, 78%, 51%)
CMYK	cmyk(69.8%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(19.42, 37.31, -54.56)
CIE-LCH	lch(19.42, 66.10, 304.36°)
OKLab	oklab(32.16% 0.0207 -0.1576)
OKLCH	oklch(32.16% 0.159 277.5)
XYZ	xyz(5.2131, 2.8464, 21.0393)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271C81 #76811C

analogous

#1C4381 #271C81 #591C81

triadic

#271C81 #81271C #1C8127

tetradic

#271C81 #811C43 #76811C #1C8159

square

#271C81 #811C43 #76811C #1C8159

split-complementary

#271C81 #81591C #43811C

monochromatic

#09061C #18114F #271C81 #3627B3 #5242D6

Accessibility & contrast

On white

13.38

#271C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#271C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271C81

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271C81	#FFFFFF	#000000	##FFFFFF
##271C81	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#002B7F

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271c81;
/* rgb */ color: rgb(39, 28, 129);
/* oklch */ color: oklch(32.2% 0.159 277.5);

Tailwind

colors: {
  custom: {
    50: '#6f5aa7',
    500: '#271c81',
    950: '#000000',
  },
}

SCSS

$custom: #271c81;
$custom-light: #6f5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#271c81",
  "rgb": {
    "r": 39,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 246.535,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.32164,
    "c": 0.15899,
    "h": 277.5
  },
  "luminance": 0.02847
}

Semantic roles & 50–950 ramp

primary

#271C81

secondary

#A8B444

accent

#E740D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #271C81

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

Preview Lab → · Contrast checker → · Palette generator →