#271F81#271F81

#271F81 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.156 H 276.9°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#271F81
RGB	rgb(39, 31, 129)
HSL	hsl(245, 61%, 31%)
HSV	hsv(245, 76%, 51%)
CMYK	cmyk(69.8%, 76%, 0%, 49.4%)
CIE-LAB	lab(20.03, 35.59, -53.56)
CIE-LCH	lch(20.03, 64.30, 303.60°)
OKLab	oklab(32.59% 0.0189 -0.1547)
OKLCH	oklch(32.59% 0.156 276.9)
XYZ	xyz(5.2878, 2.9958, 21.0642)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F81 #79811F

analogous

#1F4881 #271F81 #581F81

triadic

#271F81 #81271F #1F8127

tetradic

#271F81 #811F48 #79811F #1F8158

square

#271F81 #811F48 #79811F #1F8158

split-complementary

#271F81 #81581F #48811F

monochromatic

#09071E #181350 #271F81 #362BB2 #5347D3

Accessibility & contrast

On white

13.13

#271F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#271F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F81

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F81	#FFFFFF	#000000	##FFFFFF
##271F81	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#002C7F

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #271f81;
/* rgb */ color: rgb(39, 31, 129);
/* oklch */ color: oklch(32.6% 0.156 276.9);

Tailwind

colors: {
  custom: {
    50: '#6f5ca7',
    500: '#271f81',
    950: '#000000',
  },
}

SCSS

$custom: #271f81;
$custom-light: #6f5ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#271f81",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 244.898,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32594,
    "c": 0.15588,
    "h": 276.9
  },
  "luminance": 0.02996
}

Semantic roles & 50–950 ramp

primary

#271F81

secondary

#ABB448

accent

#E443D7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #271F81

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

Preview Lab → · Contrast checker → · Palette generator →