#271B80#271B80

#271B80 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.159 H 277.8°. Best body text is #FFFFFF at 13.51:1 contrast (WCAG AA passes).

Color values

HEX	#271B80
RGB	rgb(39, 27, 128)
HSL	hsl(247, 65%, 30%)
HSV	hsv(247, 79%, 50%)
CMYK	cmyk(69.5%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(19.11, 37.53, -54.43)
CIE-LCH	lch(19.11, 66.12, 304.59°)
OKLab	oklab(31.92% 0.0215 -0.1572)
OKLCH	oklch(31.92% 0.159 277.8)
XYZ	xyz(5.1237, 2.7733, 20.6832)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B80 #74801B

analogous

#1B4180 #271B80 #591B80

triadic

#271B80 #80271B #1B8027

tetradic

#271B80 #801B41 #74801B #1B8059

square

#271B80 #801B41 #74801B #1B8059

split-complementary

#271B80 #80591B #41801B

monochromatic

#08061B #18104D #271B80 #3626B3 #513FD6

Accessibility & contrast

On white

13.51

#271B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#271B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B80

13.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B80	#FFFFFF	#000000	##FFFFFF
##271B80	1.00	13.51	1.55	13.51
#FFFFFF	13.51	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#002A7E

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271b80;
/* rgb */ color: rgb(39, 27, 128);
/* oklch */ color: oklch(31.9% 0.159 277.8);

Tailwind

colors: {
  custom: {
    50: '#6f5aa6',
    500: '#271b80',
    950: '#000000',
  },
}

SCSS

$custom: #271b80;
$custom-light: #6f5aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#271b80",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 247.129,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31916,
    "c": 0.15871,
    "h": 277.8
  },
  "luminance": 0.02774
}

Semantic roles & 50–950 ramp

primary

#271B80

secondary

#A6B443

accent

#E840D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B80

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

Preview Lab → · Contrast checker → · Palette generator →