#271D9F#271D9F

#271D9F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.195 H 273.7°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#271D9F
RGB	rgb(39, 29, 159)
HSL	hsl(245, 69%, 37%)
HSV	hsv(245, 82%, 62%)
CMYK	cmyk(75.5%, 81.8%, 0%, 37.6%)
CIE-LAB	lab(23.04, 46.48, -67.21)
CIE-LCH	lch(23.04, 81.72, 304.67°)
OKLab	oklab(35.71% 0.0125 -0.1944)
OKLCH	oklch(35.71% 0.195 273.7)
XYZ	xyz(7.5320, 3.8125, 33.1331)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D9F #959F1D

analogous

#1D549F #271D9F #681D9F

triadic

#271D9F #9F271D #1D9F27

tetradic

#271D9F #9F1D54 #959F1D #1D9F68

square

#271D9F #9F1D54 #959F1D #1D9F68

split-complementary

#271D9F #9F681D #549F1D

monochromatic

#0E0A37 #1A146B #271D9F #3426D3 #6156E0

Accessibility & contrast

On white

11.91

#271D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#271D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D9F

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D9F	#FFFFFF	#000000	##FFFFFF
##271D9F	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00319D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #271d9f;
/* rgb */ color: rgb(39, 29, 159);
/* oklch */ color: oklch(35.7% 0.195 273.7);

Tailwind

colors: {
  custom: {
    50: '#765dbd',
    500: '#271d9f',
    950: '#000000',
  },
}

SCSS

$custom: #271d9f;
$custom-light: #765dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#271d9f",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 244.615,
    "s": 69.149,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35706,
    "c": 0.19481,
    "h": 273.7
  },
  "luminance": 0.03813
}

Semantic roles & 50–950 ramp

primary

#271D9F

secondary

#BBC454

accent

#EC3CDE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271D9F

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

Preview Lab → · Contrast checker → · Palette generator →