#271B68#271B68

#271B68 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.127 H 282.3°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#271B68
RGB	rgb(39, 27, 104)
HSL	hsl(249, 59%, 26%)
HSV	hsv(249, 74%, 41%)
CMYK	cmyk(62.5%, 74%, 0%, 59.2%)
CIE-LAB	lab(16.57, 29.45, -43.13)
CIE-LCH	lch(16.57, 52.23, 304.33°)
OKLab	oklab(29.35% 0.0271 -0.1242)
OKLCH	oklch(29.35% 0.127 282.3)
XYZ	xyz(3.7265, 2.2144, 13.3251)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B68 #5C681B

analogous

#1B3568 #271B68 #4D1B68

triadic

#271B68 #68271B #1B6827

tetradic

#271B68 #681B35 #5C681B #1B684D

square

#271B68 #681B35 #5C681B #1B684D

split-complementary

#271B68 #684D1B #35681B

monochromatic

#090618 #150E37 #271B68 #392899 #4B34C9

Accessibility & contrast

On white

14.55

#271B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#271B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B68

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B68	#FFFFFF	#000000	##FFFFFF
##271B68	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002667

Tritanopia (blue-blind)

#00303F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #271b68;
/* rgb */ color: rgb(39, 27, 104);
/* oklch */ color: oklch(29.4% 0.127 282.3);

Tailwind

colors: {
  custom: {
    50: '#6a5894',
    500: '#271b68',
    950: '#000000',
  },
}

SCSS

$custom: #271b68;
$custom-light: #6a5894;
$custom-dark: #000000;

JSON

{
  "hex": "#271b68",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 249.351,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29354,
    "c": 0.12718,
    "h": 282.3
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#271B68

secondary

#8F9D42

accent

#E246CA

background

#F6F5F9

surface

#ECE9F1

border

#C7C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #271B68

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

Preview Lab → · Contrast checker → · Palette generator →