#271B75#271B75

#271B75 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.7% C 0.145 H 279.7°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#271B75
RGB	rgb(39, 27, 117)
HSL	hsl(248, 63%, 28%)
HSV	hsv(248, 77%, 46%)
CMYK	cmyk(66.7%, 76.9%, 0%, 54.1%)
CIE-LAB	lab(17.91, 33.87, -49.38)
CIE-LCH	lch(17.91, 59.88, 304.45°)
OKLab	oklab(30.71% 0.0243 -0.1425)
OKLCH	oklch(30.71% 0.145 279.7)
XYZ	xyz(4.4385, 2.4992, 17.0747)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B75 #69751B

analogous

#1B3C75 #271B75 #541B75

triadic

#271B75 #75271B #1B7527

tetradic

#271B75 #751B3C #69751B #1B7554

square

#271B75 #751B3C #69751B #1B7554

split-complementary

#271B75 #75541B #3C751B

monochromatic

#080619 #161043 #271B75 #3826A7 #4D39D1

Accessibility & contrast

On white

14.00

#271B75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#271B75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B75

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B75	#FFFFFF	#000000	##FFFFFF
##271B75	1.00	14.00	1.50	14.00
#FFFFFF	14.00	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F78

Deuteranopia (green-blind)

#002873

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #271b75;
/* rgb */ color: rgb(39, 27, 117);
/* oklch */ color: oklch(30.7% 0.145 279.7);

Tailwind

colors: {
  custom: {
    50: '#6d599e',
    500: '#271b75',
    950: '#000000',
  },
}

SCSS

$custom: #271b75;
$custom-light: #6d599e;
$custom-dark: #000000;

JSON

{
  "hex": "#271b75",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 117
  },
  "hsl": {
    "h": 248,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30714,
    "c": 0.14456,
    "h": 279.7
  },
  "luminance": 0.025
}

Semantic roles & 50–950 ramp

primary

#271B75

secondary

#9CA942

accent

#E642D0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08030E

muted

#7A787E

Preview Lab

Preview with #271B75

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

Preview Lab → · Contrast checker → · Palette generator →