#271B79#271B79

#271B79 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.150 H 278.9°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#271B79
RGB	rgb(39, 27, 121)
HSL	hsl(248, 64%, 29%)
HSV	hsv(248, 78%, 47%)
CMYK	cmyk(67.8%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(18.34, 35.21, -51.24)
CIE-LCH	lch(18.34, 62.17, 304.50°)
OKLab	oklab(31.15% 0.0233 -0.1479)
OKLCH	oklch(31.15% 0.15 278.9)
XYZ	xyz(4.6787, 2.5953, 18.3398)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B79 #6D791B

analogous

#1B3E79 #271B79 #561B79

triadic

#271B79 #79271B #1B7927

tetradic

#271B79 #791B3E #6D791B #1B7956

square

#271B79 #791B3E #6D791B #1B7956

split-complementary

#271B79 #79561B #3E791B

monochromatic

#080619 #171047 #271B79 #3726AB #4F3BD3

Accessibility & contrast

On white

13.82

#271B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#271B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B79

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B79	#FFFFFF	#000000	##FFFFFF
##271B79	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307C

Deuteranopia (green-blind)

#002977

Tritanopia (blue-blind)

#003649

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #271b79;
/* rgb */ color: rgb(39, 27, 121);
/* oklch */ color: oklch(31.1% 0.150 278.9);

Tailwind

colors: {
  custom: {
    50: '#6e59a1',
    500: '#271b79',
    950: '#000000',
  },
}

SCSS

$custom: #271b79;
$custom-light: #6e59a1;
$custom-dark: #000000;

JSON

{
  "hex": "#271b79",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 247.66,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.31146,
    "c": 0.14976,
    "h": 278.9
  },
  "luminance": 0.02596
}

Semantic roles & 50–950 ramp

primary

#271B79

secondary

#A0AD43

accent

#E741D1

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B79

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

Preview Lab → · Contrast checker → · Palette generator →