#271B8C#271B8C

#271B8C is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.3% C 0.174 H 276.1°. Best body text is #FFFFFF at 12.95:1 contrast (WCAG AA passes).

Color values

HEX	#271B8C
RGB	rgb(39, 27, 140)
HSL	hsl(246, 68%, 33%)
HSV	hsv(246, 81%, 55%)
CMYK	cmyk(72.1%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(20.47, 41.44, -59.74)
CIE-LCH	lch(20.47, 72.70, 304.75°)
OKLab	oklab(33.27% 0.0183 -0.1727)
OKLCH	oklch(33.27% 0.174 276.1)
XYZ	xyz(5.9607, 3.1081, 25.0916)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B8C #808C1B

analogous

#1B478C #271B8C #601B8C

triadic

#271B8C #8C271B #1B8C27

tetradic

#271B8C #8C1B47 #808C1B #1B8C60

square

#271B8C #8C1B47 #808C1B #1B8C60

split-complementary

#271B8C #8C601B #478C1B

monochromatic

#0A0725 #191159 #271B8C #3525BF #5646DB

Accessibility & contrast

On white

12.95

#271B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#271B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B8C

12.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B8C	#FFFFFF	#000000	##FFFFFF
##271B8C	1.00	12.95	1.62	12.95
#FFFFFF	12.95	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368F

Deuteranopia (green-blind)

#002C8A

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #271b8c;
/* rgb */ color: rgb(39, 27, 140);
/* oklch */ color: oklch(33.3% 0.174 276.1);

Tailwind

colors: {
  custom: {
    50: '#725baf',
    500: '#271b8c',
    950: '#000000',
  },
}

SCSS

$custom: #271b8c;
$custom-light: #725baf;
$custom-dark: #000000;

JSON

{
  "hex": "#271b8c",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 246.372,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33269,
    "c": 0.17365,
    "h": 276.1
  },
  "luminance": 0.03109
}

Semantic roles & 50–950 ramp

primary

#271B8C

secondary

#B0BD46

accent

#EB3DD8

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B8C

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

Preview Lab → · Contrast checker → · Palette generator →