#27288B#27288B

#27288B is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.159 H 274.1°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#27288B
RGB	rgb(39, 40, 139)
HSL	hsl(239, 56%, 35%)
HSV	hsv(239, 72%, 55%)
CMYK	cmyk(71.9%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(23.04, 33.58, -54.87)
CIE-LCH	lch(23.04, 64.33, 301.46°)
OKLab	oklab(35.06% 0.0113 -0.1586)
OKLCH	oklch(35.06% 0.159 274.1)
XYZ	xyz(6.2541, 3.8124, 24.8274)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27288B #8B8A27

analogous

#275A8B #27288B #58278B

triadic

#27288B #8B2728 #288B27

tetradic

#27288B #8B275A #8B8A27 #278B58

square

#27288B #8B275A #8B8A27 #278B58

split-complementary

#27288B #8B5827 #5A8B27

monochromatic

#0C0C2B #1A1A5B #27288B #3436BB #5B5DD1

Accessibility & contrast

On white

11.91

#27288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#27288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27288B

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27288B	#FFFFFF	#000000	##FFFFFF
##27288B	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)

#003C8E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#004356

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #27288b;
/* rgb */ color: rgb(39, 40, 139);
/* oklch */ color: oklch(35.1% 0.159 274.1);

Tailwind

colors: {
  custom: {
    50: '#7163ae',
    500: '#27288b',
    950: '#000000',
  },
}

SCSS

$custom: #27288b;
$custom-light: #7163ae;
$custom-dark: #000000;

JSON

{
  "hex": "#27288b",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 239.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.35059,
    "c": 0.15901,
    "h": 274.1
  },
  "luminance": 0.03813
}

Semantic roles & 50–950 ramp

primary

#27288B

secondary

#B6B558

accent

#DE48DF

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#090510

muted

#7B797F

Preview Lab

Preview with #27288B

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

Preview Lab → · Contrast checker → · Palette generator →