#271D8E#271D8E

#271D8E is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.174 H 275.6°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#271D8E
RGB	rgb(39, 29, 142)
HSL	hsl(245, 66%, 34%)
HSV	hsv(245, 80%, 56%)
CMYK	cmyk(72.5%, 79.6%, 0%, 44.3%)
CIE-LAB	lab(21.07, 41.04, -60.00)
CIE-LCH	lch(21.07, 72.69, 304.37°)
OKLab	oklab(33.75% 0.0169 -0.1735)
OKLCH	oklch(33.75% 0.174 275.6)
XYZ	xyz(6.1569, 3.2625, 25.8912)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D8E #848E1D

analogous

#1D4B8E #271D8E #5F1D8E

triadic

#271D8E #8E271D #1D8E27

tetradic

#271D8E #8E1D4B #848E1D #1D8E5F

square

#271D8E #8E1D4B #848E1D #1D8E5F

split-complementary

#271D8E #8E5F1D #4B8E1D

monochromatic

#0B0828 #19135B #271D8E #3527C1 #584BDA

Accessibility & contrast

On white

12.71

#271D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#271D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D8E

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D8E	#FFFFFF	#000000	##FFFFFF
##271D8E	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002D8C

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #271d8e;
/* rgb */ color: rgb(39, 29, 142);
/* oklch */ color: oklch(33.8% 0.174 275.6);

Tailwind

colors: {
  custom: {
    50: '#725cb0',
    500: '#271d8e',
    950: '#000000',
  },
}

SCSS

$custom: #271d8e;
$custom-light: #725cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#271d8e",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 142
  },
  "hsl": {
    "h": 245.31,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.33751,
    "c": 0.1743,
    "h": 275.6
  },
  "luminance": 0.03263
}

Semantic roles & 50–950 ramp

primary

#271D8E

secondary

#B2BD4A

accent

#E93FDA

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271D8E

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

Preview Lab → · Contrast checker → · Palette generator →