#271D5A#271D5A

#271D5A is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.3% C 0.105 H 285.1°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#271D5A
RGB	rgb(39, 29, 90)
HSL	hsl(250, 51%, 23%)
HSV	hsv(250, 68%, 35%)
CMYK	cmyk(56.7%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(15.74, 23.31, -35.22)
CIE-LCH	lch(15.74, 42.23, 303.50°)
OKLab	oklab(28.34% 0.0272 -0.101)
OKLCH	oklch(28.34% 0.105 285.1)
XYZ	xyz(3.1210, 2.0481, 9.9017)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D5A #505A1D

analogous

#1D315A #271D5A #451D5A

triadic

#271D5A #5A271D #1D5A27

tetradic

#271D5A #5A1D31 #505A1D #1D5A45

square

#271D5A #5A1D31 #505A1D #1D5A45

split-complementary

#271D5A #5A451D #315A1D

monochromatic

#0A0717 #130E2C #271D5A #3B2C88 #4F3BB7

Accessibility & contrast

On white

14.90

#271D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#271D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D5A

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D5A	#FFFFFF	#000000	##FFFFFF
##271D5A	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295C

Deuteranopia (green-blind)

#002559

Tritanopia (blue-blind)

#122C38

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #271d5a;
/* rgb */ color: rgb(39, 29, 90);
/* oklch */ color: oklch(28.3% 0.105 285.1);

Tailwind

colors: {
  custom: {
    50: '#675989',
    500: '#271d5a',
    950: '#000000',
  },
}

SCSS

$custom: #271d5a;
$custom-light: #675989;
$custom-dark: #000000;

JSON

{
  "hex": "#271d5a",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 249.836,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.28343,
    "c": 0.10461,
    "h": 285.1
  },
  "luminance": 0.02048
}

Semantic roles & 50–950 ramp

primary

#271D5A

secondary

#838F44

accent

#DB4DC4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030B

muted

#7A787C

Preview Lab

Preview with #271D5A

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

Preview Lab → · Contrast checker → · Palette generator →