#271B6C#271B6C

#271B6C is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.133 H 281.4°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#271B6C
RGB	rgb(39, 27, 108)
HSL	hsl(249, 60%, 26%)
HSV	hsv(249, 75%, 42%)
CMYK	cmyk(63.9%, 75%, 0%, 57.6%)
CIE-LAB	lab(16.98, 30.82, -45.09)
CIE-LCH	lch(16.98, 54.62, 304.35°)
OKLab	oklab(29.77% 0.0263 -0.13)
OKLCH	oklch(29.77% 0.133 281.4)
XYZ	xyz(3.9346, 2.2976, 14.4206)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B6C #606C1B

analogous

#1B386C #271B6C #501B6C

triadic

#271B6C #6C271B #1B6C27

tetradic

#271B6C #6C1B38 #606C1B #1B6C50

square

#271B6C #6C1B38 #606C1B #1B6C50

split-complementary

#271B6C #6C501B #386C1B

monochromatic

#090618 #150F3B #271B6C #39279D #4B35CC

Accessibility & contrast

On white

14.39

#271B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#271B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B6C

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B6C	#FFFFFF	#000000	##FFFFFF
##271B6C	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6E

Deuteranopia (green-blind)

#00276A

Tritanopia (blue-blind)

#003141

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #271b6c;
/* rgb */ color: rgb(39, 27, 108);
/* oklch */ color: oklch(29.8% 0.133 281.4);

Tailwind

colors: {
  custom: {
    50: '#6b5997',
    500: '#271b6c',
    950: '#000000',
  },
}

SCSS

$custom: #271b6c;
$custom-light: #6b5997;
$custom-dark: #000000;

JSON

{
  "hex": "#271b6c",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 108
  },
  "hsl": {
    "h": 248.889,
    "s": 60,
    "l": 26.471
  },
  "oklch": {
    "l": 0.29765,
    "c": 0.1326,
    "h": 281.4
  },
  "luminance": 0.02298
}

Semantic roles & 50–950 ramp

primary

#271B6C

secondary

#93A142

accent

#E345CC

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #271B6C

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

Preview Lab → · Contrast checker → · Palette generator →