#271B6E#271B6E

#271B6E is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.135 H 281.0°. Best body text is #FFFFFF at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#271B6E
RGB	rgb(39, 27, 110)
HSL	hsl(249, 61%, 27%)
HSV	hsv(249, 75%, 43%)
CMYK	cmyk(64.5%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(17.18, 31.50, -46.05)
CIE-LCH	lch(17.18, 55.80, 304.37°)
OKLab	oklab(29.97% 0.0259 -0.1328)
OKLCH	oklch(29.97% 0.135 281)
XYZ	xyz(4.0422, 2.3407, 14.9876)
Luminance	0.0234 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B6E #626E1B

analogous

#1B396E #271B6E #511B6E

triadic

#271B6E #6E271B #1B6E27

tetradic

#271B6E #6E1B39 #626E1B #1B6E51

square

#271B6E #6E1B39 #626E1B #1B6E51

split-complementary

#271B6E #6E511B #396E1B

monochromatic

#090619 #160F3D #271B6E #38279F #4C36CE

Accessibility & contrast

On white

14.30

#271B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#271B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B6E

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B6E	#FFFFFF	#000000	##FFFFFF
##271B6E	1.00	14.30	1.47	14.30
#FFFFFF	14.30	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D70

Deuteranopia (green-blind)

#00276C

Tritanopia (blue-blind)

#003242

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #271b6e;
/* rgb */ color: rgb(39, 27, 110);
/* oklch */ color: oklch(30.0% 0.135 281.0);

Tailwind

colors: {
  custom: {
    50: '#6b5998',
    500: '#271b6e',
    950: '#000000',
  },
}

SCSS

$custom: #271b6e;
$custom-light: #6b5998;
$custom-dark: #000000;

JSON

{
  "hex": "#271b6e",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 248.675,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29973,
    "c": 0.13529,
    "h": 281
  },
  "luminance": 0.02341
}

Semantic roles & 50–950 ramp

primary

#271B6E

secondary

#95A342

accent

#E444CD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #271B6E

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

Preview Lab → · Contrast checker → · Palette generator →