#271B7A#271B7A

#271B7A is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.151 H 278.8°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#271B7A
RGB	rgb(39, 27, 122)
HSL	hsl(248, 64%, 29%)
HSV	hsv(248, 78%, 48%)
CMYK	cmyk(68%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(18.45, 35.54, -51.70)
CIE-LCH	lch(18.45, 62.74, 304.51°)
OKLab	oklab(31.26% 0.023 -0.1493)
OKLCH	oklch(31.26% 0.151 278.8)
XYZ	xyz(4.7404, 2.6200, 18.6645)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B7A #6E7A1B

analogous

#1B3F7A #271B7A #571B7A

triadic

#271B7A #7A271B #1B7A27

tetradic

#271B7A #7A1B3F #6E7A1B #1B7A57

square

#271B7A #7A1B3F #6E7A1B #1B7A57

split-complementary

#271B7A #7A571B #3F7A1B

monochromatic

#080619 #171048 #271B7A #3726AC #4F3CD4

Accessibility & contrast

On white

13.78

#271B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#271B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B7A

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B7A	#FFFFFF	#000000	##FFFFFF
##271B7A	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317D

Deuteranopia (green-blind)

#002978

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #271b7a;
/* rgb */ color: rgb(39, 27, 122);
/* oklch */ color: oklch(31.3% 0.151 278.8);

Tailwind

colors: {
  custom: {
    50: '#6e59a1',
    500: '#271b7a',
    950: '#000000',
  },
}

SCSS

$custom: #271b7a;
$custom-light: #6e59a1;
$custom-dark: #000000;

JSON

{
  "hex": "#271b7a",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 247.579,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31255,
    "c": 0.15106,
    "h": 278.8
  },
  "luminance": 0.0262
}

Semantic roles & 50–950 ramp

primary

#271B7A

secondary

#A1AE43

accent

#E741D2

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B7A

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

Preview Lab → · Contrast checker → · Palette generator →