#271D71#271D71

#271D71 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.6% C 0.137 H 279.9°. Best body text is #FFFFFF at 14.00:1 contrast (WCAG AA passes).

Color values

HEX	#271D71
RGB	rgb(39, 29, 113)
HSL	hsl(247, 59%, 28%)
HSV	hsv(247, 74%, 44%)
CMYK	cmyk(65.5%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(17.93, 31.31, -46.78)
CIE-LCH	lch(17.93, 56.29, 303.80°)
OKLab	oklab(30.6% 0.0236 -0.1349)
OKLCH	oklch(30.6% 0.137 279.9)
XYZ	xyz(4.2558, 2.5020, 15.8783)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D71 #67711D

analogous

#1D3D71 #271D71 #511D71

triadic

#271D71 #71271D #1D7127

tetradic

#271D71 #711D3D #67711D #1D7151

square

#271D71 #711D3D #67711D #1D7151

split-complementary

#271D71 #71511D #3D711D

monochromatic

#080618 #161140 #271D71 #3829A2 #4D3CCD

Accessibility & contrast

On white

14.00

#271D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#271D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D71

14.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D71	#FFFFFF	#000000	##FFFFFF
##271D71	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)

#002F74

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #271d71;
/* rgb */ color: rgb(39, 29, 113);
/* oklch */ color: oklch(30.6% 0.137 279.9);

Tailwind

colors: {
  custom: {
    50: '#6c5a9b',
    500: '#271d71',
    950: '#000000',
  },
}

SCSS

$custom: #271d71;
$custom-light: #6c5a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#271d71",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 247.143,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30597,
    "c": 0.13698,
    "h": 279.9
  },
  "luminance": 0.02502
}

Semantic roles & 50–950 ramp

primary

#271D71

secondary

#9AA544

accent

#E245D0

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #271D71

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

Preview Lab → · Contrast checker → · Palette generator →