#271D5B#271D5B

#271D5B is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.4% C 0.106 H 284.8°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#271D5B
RGB	rgb(39, 29, 91)
HSL	hsl(250, 52%, 24%)
HSV	hsv(250, 68%, 36%)
CMYK	cmyk(57.1%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(15.83, 23.66, -35.74)
CIE-LCH	lch(15.83, 42.87, 303.50°)
OKLab	oklab(28.44% 0.0271 -0.1026)
OKLCH	oklch(28.44% 0.106 284.8)
XYZ	xyz(3.1638, 2.0652, 10.1274)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D5B #515B1D

analogous

#1D325B #271D5B #461D5B

triadic

#271D5B #5B271D #1D5B27

tetradic

#271D5B #5B1D32 #515B1D #1D5B46

square

#271D5B #5B1D32 #515B1D #1D5B46

split-complementary

#271D5B #5B461D #325B1D

monochromatic

#0A0717 #130E2D #271D5B #3B2C89 #4F3BB8

Accessibility & contrast

On white

14.86

#271D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#271D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D5B

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D5B	#FFFFFF	#000000	##FFFFFF
##271D5B	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#122C39

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #271d5b;
/* rgb */ color: rgb(39, 29, 91);
/* oklch */ color: oklch(28.4% 0.106 284.8);

Tailwind

colors: {
  custom: {
    50: '#67598a',
    500: '#271d5b',
    950: '#000000',
  },
}

SCSS

$custom: #271d5b;
$custom-light: #67598a;
$custom-dark: #000000;

JSON

{
  "hex": "#271d5b",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 249.677,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28435,
    "c": 0.10608,
    "h": 284.8
  },
  "luminance": 0.02065
}

Semantic roles & 50–950 ramp

primary

#271D5B

secondary

#849044

accent

#DB4DC4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #271D5B

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

Preview Lab → · Contrast checker → · Palette generator →