#271D8D#271D8D

#271D8D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.173 H 275.7°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#271D8D
RGB	rgb(39, 29, 141)
HSL	hsl(245, 66%, 33%)
HSV	hsv(245, 79%, 55%)
CMYK	cmyk(72.3%, 79.4%, 0%, 44.7%)
CIE-LAB	lab(20.95, 40.71, -59.56)
CIE-LCH	lch(20.95, 72.15, 304.35°)
OKLab	oklab(33.64% 0.0171 -0.1722)
OKLCH	oklch(33.64% 0.173 275.7)
XYZ	xyz(6.0822, 3.2326, 25.4976)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D8D #838D1D

analogous

#1D4B8D #271D8D #5F1D8D

triadic

#271D8D #8D271D #1D8D27

tetradic

#271D8D #8D1D4B #838D1D #1D8D5F

square

#271D8D #8D1D4B #838D1D #1D8D5F

split-complementary

#271D8D #8D5F1D #4B8D1D

monochromatic

#0B0827 #19135A #271D8D #3527C0 #574BDA

Accessibility & contrast

On white

12.75

#271D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#271D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D8D

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D8D	#FFFFFF	#000000	##FFFFFF
##271D8D	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #271d8d;
/* rgb */ color: rgb(39, 29, 141);
/* oklch */ color: oklch(33.6% 0.173 275.7);

Tailwind

colors: {
  custom: {
    50: '#725cb0',
    500: '#271d8d',
    950: '#000000',
  },
}

SCSS

$custom: #271d8d;
$custom-light: #725cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#271d8d",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 141
  },
  "hsl": {
    "h": 245.357,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33638,
    "c": 0.17306,
    "h": 275.7
  },
  "luminance": 0.03233
}

Semantic roles & 50–950 ramp

primary

#271D8D

secondary

#B2BC4A

accent

#E93FDA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271D8D

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

Preview Lab → · Contrast checker → · Palette generator →