#271B6F#271B6F

#271B6F is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.137 H 280.8°. Best body text is #FFFFFF at 14.26:1 contrast (WCAG AA passes).

Color values

HEX	#271B6F
RGB	rgb(39, 27, 111)
HSL	hsl(249, 61%, 27%)
HSV	hsv(249, 76%, 44%)
CMYK	cmyk(64.9%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(17.29, 31.84, -46.53)
CIE-LCH	lch(17.29, 56.39, 304.38°)
OKLab	oklab(30.08% 0.0256 -0.1342)
OKLCH	oklch(30.08% 0.137 280.8)
XYZ	xyz(4.0970, 2.3626, 15.2760)
Luminance	0.0236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B6F #636F1B

analogous

#1B396F #271B6F #511B6F

triadic

#271B6F #6F271B #1B6F27

tetradic

#271B6F #6F1B39 #636F1B #1B6F51

square

#271B6F #6F1B39 #636F1B #1B6F51

split-complementary

#271B6F #6F511B #396F1B

monochromatic

#090619 #160F3E #271B6F #3827A0 #4C36CE

Accessibility & contrast

On white

14.26

#271B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#271B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B6F

14.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B6F	#FFFFFF	#000000	##FFFFFF
##271B6F	1.00	14.26	1.47	14.26
#FFFFFF	14.26	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D71

Deuteranopia (green-blind)

#00276D

Tritanopia (blue-blind)

#003243

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #271b6f;
/* rgb */ color: rgb(39, 27, 111);
/* oklch */ color: oklch(30.1% 0.137 280.8);

Tailwind

colors: {
  custom: {
    50: '#6b5999',
    500: '#271b6f',
    950: '#000000',
  },
}

SCSS

$custom: #271b6f;
$custom-light: #6b5999;
$custom-dark: #000000;

JSON

{
  "hex": "#271b6f",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 248.571,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.30077,
    "c": 0.13663,
    "h": 280.8
  },
  "luminance": 0.02363
}

Semantic roles & 50–950 ramp

primary

#271B6F

secondary

#96A442

accent

#E444CD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #271B6F

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

Preview Lab → · Contrast checker → · Palette generator →