#271B64#271B64

#271B64 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.122 H 283.2°. Best body text is #FFFFFF at 14.72:1 contrast (WCAG AA passes).

Color values

HEX	#271B64
RGB	rgb(39, 27, 100)
HSL	hsl(250, 57%, 25%)
HSV	hsv(250, 73%, 39%)
CMYK	cmyk(61%, 73%, 0%, 60.8%)
CIE-LAB	lab(16.18, 28.08, -41.15)
CIE-LCH	lch(16.18, 49.82, 304.31°)
OKLab	oklab(28.95% 0.0279 -0.1184)
OKLCH	oklch(28.95% 0.122 283.2)
XYZ	xyz(3.5282, 2.1351, 12.2803)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B64 #58641B

analogous

#1B3464 #271B64 #4C1B64

triadic

#271B64 #64271B #1B6427

tetradic

#271B64 #641B34 #58641B #1B644C

square

#271B64 #641B34 #58641B #1B644C

split-complementary

#271B64 #644C1B #34641B

monochromatic

#090718 #140E34 #271B64 #3A2894 #4D35C4

Accessibility & contrast

On white

14.72

#271B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#271B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B64

14.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B64	#FFFFFF	#000000	##FFFFFF
##271B64	1.00	14.72	1.43	14.72
#FFFFFF	14.72	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A66

Deuteranopia (green-blind)

#002663

Tritanopia (blue-blind)

#062E3D

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #271b64;
/* rgb */ color: rgb(39, 27, 100);
/* oklch */ color: oklch(29.0% 0.122 283.2);

Tailwind

colors: {
  custom: {
    50: '#695891',
    500: '#271b64',
    950: '#000000',
  },
}

SCSS

$custom: #271b64;
$custom-light: #695891;
$custom-dark: #000000;

JSON

{
  "hex": "#271b64",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 249.863,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28951,
    "c": 0.12167,
    "h": 283.2
  },
  "luminance": 0.02135
}

Semantic roles & 50–950 ramp

primary

#271B64

secondary

#8B9941

accent

#E147C7

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#07030D

muted

#7A787E

Preview Lab

Preview with #271B64

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

Preview Lab → · Contrast checker → · Palette generator →