#271C77#271C77

#271C77 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.146 H 279.1°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#271C77
RGB	rgb(39, 28, 119)
HSL	hsl(247, 62%, 29%)
HSV	hsv(247, 76%, 47%)
CMYK	cmyk(67.2%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(18.34, 33.96, -49.97)
CIE-LCH	lch(18.34, 60.42, 304.20°)
OKLab	oklab(31.08% 0.0231 -0.1442)
OKLCH	oklch(31.08% 0.146 279.1)
XYZ	xyz(4.5807, 2.5934, 17.7084)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271C77 #6C771C

analogous

#1C3F77 #271C77 #551C77

triadic

#271C77 #77271C #1C7727

tetradic

#271C77 #771C3F #6C771C #1C7755

square

#271C77 #771C3F #6C771C #1C7755

split-complementary

#271C77 #77551C #3F771C

monochromatic

#080619 #171045 #271C77 #3728A9 #4E3CD1

Accessibility & contrast

On white

13.83

#271C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#271C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271C77

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271C77	#FFFFFF	#000000	##FFFFFF
##271C77	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307A

Deuteranopia (green-blind)

#002975

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #271c77;
/* rgb */ color: rgb(39, 28, 119);
/* oklch */ color: oklch(31.1% 0.146 279.1);

Tailwind

colors: {
  custom: {
    50: '#6d5a9f',
    500: '#271c77',
    950: '#000000',
  },
}

SCSS

$custom: #271c77;
$custom-light: #6d5a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#271c77",
  "rgb": {
    "r": 39,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 247.253,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31076,
    "c": 0.14608,
    "h": 279.1
  },
  "luminance": 0.02594
}

Semantic roles & 50–950 ramp

primary

#271C77

secondary

#9FAB44

accent

#E543D1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #271C77

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

Preview Lab → · Contrast checker → · Palette generator →