#271B8A#271B8A

#271B8A is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.171 H 276.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#271B8A
RGB	rgb(39, 27, 138)
HSL	hsl(246, 67%, 32%)
HSV	hsv(246, 80%, 54%)
CMYK	cmyk(71.7%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(20.24, 40.80, -58.87)
CIE-LCH	lch(20.24, 71.62, 304.73°)
OKLab	oklab(33.04% 0.0189 -0.1701)
OKLCH	oklch(33.04% 0.171 276.3)
XYZ	xyz(5.8146, 3.0496, 24.3220)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B8A #7E8A1B

analogous

#1B478A #271B8A #5E1B8A

triadic

#271B8A #8A271B #1B8A27

tetradic

#271B8A #8A1B47 #7E8A1B #1B8A5E

square

#271B8A #8A1B47 #7E8A1B #1B8A5E

split-complementary

#271B8A #8A5E1B #478A1B

monochromatic

#0A0724 #191157 #271B8A #3525BD #5545DB

Accessibility & contrast

On white

13.04

#271B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#271B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B8A

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B8A	#FFFFFF	#000000	##FFFFFF
##271B8A	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358D

Deuteranopia (green-blind)

#002C88

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #271b8a;
/* rgb */ color: rgb(39, 27, 138);
/* oklch */ color: oklch(33.0% 0.171 276.3);

Tailwind

colors: {
  custom: {
    50: '#725aad',
    500: '#271b8a',
    950: '#000000',
  },
}

SCSS

$custom: #271b8a;
$custom-light: #725aad;
$custom-dark: #000000;

JSON

{
  "hex": "#271b8a",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 246.486,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33041,
    "c": 0.17119,
    "h": 276.3
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary

#271B8A

secondary

#AFBC45

accent

#EA3ED8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #271B8A

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

Preview Lab → · Contrast checker → · Palette generator →