#271B84#271B84

#271B84 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.164 H 277.2°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#271B84
RGB	rgb(39, 27, 132)
HSL	hsl(247, 66%, 31%)
HSV	hsv(247, 80%, 52%)
CMYK	cmyk(70.5%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(19.56, 38.85, -56.22)
CIE-LCH	lch(19.56, 68.34, 304.64°)
OKLab	oklab(32.36% 0.0205 -0.1625)
OKLCH	oklch(32.36% 0.164 277.2)
XYZ	xyz(5.3921, 2.8807, 22.0972)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B84 #78841B

analogous

#1B4384 #271B84 #5B1B84

triadic

#271B84 #84271B #1B8427

tetradic

#271B84 #841B43 #78841B #1B845B

square

#271B84 #841B43 #78841B #1B845B

split-complementary

#271B84 #845B1B #43841B

monochromatic

#09061E #181151 #271B84 #3625B7 #5241D8

Accessibility & contrast

On white

13.32

#271B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#271B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B84

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B84	#FFFFFF	#000000	##FFFFFF
##271B84	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271b84;
/* rgb */ color: rgb(39, 27, 132);
/* oklch */ color: oklch(32.4% 0.164 277.2);

Tailwind

colors: {
  custom: {
    50: '#705aa9',
    500: '#271b84',
    950: '#000000',
  },
}

SCSS

$custom: #271b84;
$custom-light: #705aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#271b84",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 246.857,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32362,
    "c": 0.16374,
    "h": 277.2
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#271B84

secondary

#AAB743

accent

#E93FD6

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B84

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

Preview Lab → · Contrast checker → · Palette generator →