#27288D#27288D

#27288D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.162 H 273.9°. Best body text is #FFFFFF at 11.83:1 contrast (WCAG AA passes).

Color values

HEX	#27288D
RGB	rgb(39, 40, 141)
HSL	hsl(239, 57%, 35%)
HSV	hsv(239, 72%, 55%)
CMYK	cmyk(72.3%, 71.6%, 0%, 44.7%)
CIE-LAB	lab(23.24, 34.29, -55.79)
CIE-LCH	lch(23.24, 65.48, 301.57°)
OKLab	oklab(35.26% 0.011 -0.1613)
OKLCH	oklch(35.26% 0.162 273.9)
XYZ	xyz(6.4016, 3.8714, 25.6040)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27288D #8D8C27

analogous

#275B8D #27288D #59278D

triadic

#27288D #8D2728 #288D27

tetradic

#27288D #8D275B #8D8C27 #278D59

square

#27288D #8D275B #8D8C27 #278D59

split-complementary

#27288D #8D5927 #5B8D27

monochromatic

#0C0D2D #1A1A5D #27288D #3436BD #5C5ED2

Accessibility & contrast

On white

11.83

#27288D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#27288D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27288D

11.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27288D	#FFFFFF	#000000	##FFFFFF
##27288D	1.00	11.83	1.77	11.83
#FFFFFF	11.83	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C90

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #27288d;
/* rgb */ color: rgb(39, 40, 141);
/* oklch */ color: oklch(35.3% 0.162 273.9);

Tailwind

colors: {
  custom: {
    50: '#7163af',
    500: '#27288d',
    950: '#000000',
  },
}

SCSS

$custom: #27288d;
$custom-light: #7163af;
$custom-dark: #000000;

JSON

{
  "hex": "#27288d",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 141
  },
  "hsl": {
    "h": 239.412,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35264,
    "c": 0.16167,
    "h": 273.9
  },
  "luminance": 0.03872
}

Semantic roles & 50–950 ramp

primary

#27288D

secondary

#B7B659

accent

#DE48E0

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#090511

muted

#7B7980

Preview Lab

Preview with #27288D

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

Preview Lab → · Contrast checker → · Palette generator →