#271788#271788

#271788 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.3% C 0.172 H 277.1°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#271788
RGB	rgb(39, 23, 136)
HSL	hsl(248, 71%, 31%)
HSV	hsv(248, 83%, 53%)
CMYK	cmyk(71.3%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(19.31, 42.18, -59.15)
CIE-LCH	lch(19.31, 72.65, 305.49°)
OKLab	oklab(32.33% 0.0213 -0.1709)
OKLCH	oklch(32.33% 0.172 277.1)
XYZ	xyz(5.5856, 2.8212, 23.5380)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271788 #788817

analogous

#173F88 #271788 #5F1788

triadic

#271788 #882717 #178827

tetradic

#271788 #88173F #788817 #17885F

square

#271788 #88173F #788817 #17885F

split-complementary

#271788 #885F17 #3F8817

monochromatic

#09051F #180E54 #271788 #3620BC #523BDE

Accessibility & contrast

On white

13.42

#271788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#271788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271788

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271788	#FFFFFF	#000000	##FFFFFF
##271788	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271788;
/* rgb */ color: rgb(39, 23, 136);
/* oklch */ color: oklch(32.3% 0.172 277.1);

Tailwind

colors: {
  custom: {
    50: '#7158ac',
    500: '#271788',
    950: '#000000',
  },
}

SCSS

$custom: #271788;
$custom-light: #7158ac;
$custom-dark: #000000;

JSON

{
  "hex": "#271788",
  "rgb": {
    "r": 39,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 248.496,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32327,
    "c": 0.17224,
    "h": 277.1
  },
  "luminance": 0.02822
}

Semantic roles & 50–950 ramp

primary

#271788

secondary

#AABC3F

accent

#EE3AD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090310

muted

#7B787F

Preview Lab

Preview with #271788

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

Preview Lab → · Contrast checker → · Palette generator →