#271B6A#271B6A

#271B6A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.130 H 281.9°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#271B6A
RGB	rgb(39, 27, 106)
HSL	hsl(249, 59%, 26%)
HSV	hsv(249, 75%, 42%)
CMYK	cmyk(63.2%, 74.5%, 0%, 58.4%)
CIE-LAB	lab(16.77, 30.14, -44.12)
CIE-LCH	lch(16.77, 53.43, 304.34°)
OKLab	oklab(29.56% 0.0267 -0.1271)
OKLCH	oklch(29.56% 0.13 281.9)
XYZ	xyz(3.8293, 2.2555, 13.8664)
Luminance	0.0226 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B6A #5E6A1B

analogous

#1B366A #271B6A #4E1B6A

triadic

#271B6A #6A271B #1B6A27

tetradic

#271B6A #6A1B36 #5E6A1B #1B6A4E

square

#271B6A #6A1B36 #5E6A1B #1B6A4E

split-complementary

#271B6A #6A4E1B #366A1B

monochromatic

#090618 #150F39 #271B6A #39279B #4B34CB

Accessibility & contrast

On white

14.47

#271B6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#271B6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B6A

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B6A	#FFFFFF	#000000	##FFFFFF
##271B6A	1.00	14.47	1.45	14.47
#FFFFFF	14.47	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6C

Deuteranopia (green-blind)

#002769

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #271b6a;
/* rgb */ color: rgb(39, 27, 106);
/* oklch */ color: oklch(29.6% 0.130 281.9);

Tailwind

colors: {
  custom: {
    50: '#6a5995',
    500: '#271b6a',
    950: '#000000',
  },
}

SCSS

$custom: #271b6a;
$custom-light: #6a5995;
$custom-dark: #000000;

JSON

{
  "hex": "#271b6a",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 106
  },
  "hsl": {
    "h": 249.114,
    "s": 59.398,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29558,
    "c": 0.1299,
    "h": 281.9
  },
  "luminance": 0.02256
}

Semantic roles & 50–950 ramp

primary

#271B6A

secondary

#919F42

accent

#E345CB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #271B6A

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

Preview Lab → · Contrast checker → · Palette generator →