#27378C#27378C

#27378C is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.142 H 270.1°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#27378C
RGB	rgb(39, 55, 140)
HSL	hsl(230, 56%, 35%)
HSV	hsv(230, 72%, 55%)
CMYK	cmyk(72.1%, 60.7%, 0%, 45.1%)
CIE-LAB	lab(26.90, 24.04, -49.19)
CIE-LCH	lch(26.90, 54.75, 296.05°)
OKLab	oklab(37.91% 0.0002 -0.1418)
OKLCH	oklch(37.91% 0.142 270.1)
XYZ	xyz(6.9349, 5.0565, 25.4164)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27378C #8C7C27

analogous

#276A8C #27378C #49278C

triadic

#27378C #8C2737 #378C27

tetradic

#27378C #8C276A #8C7C27 #278C49

square

#27378C #8C276A #8C7C27 #278C49

split-complementary

#27378C #8C4927 #6A8C27

monochromatic

#0C112C #1A245C #27378C #344ABC #5C6ED2

Accessibility & contrast

On white

10.44

#27378C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#27378C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27378C

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27378C	#FFFFFF	#000000	##FFFFFF
##27378C	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448F

Deuteranopia (green-blind)

#003B8A

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #27378c;
/* rgb */ color: rgb(39, 55, 140);
/* oklch */ color: oklch(37.9% 0.142 270.1);

Tailwind

colors: {
  custom: {
    50: '#6f6dae',
    500: '#27378c',
    950: '#000000',
  },
}

SCSS

$custom: #27378c;
$custom-light: #6f6dae;
$custom-dark: #000000;

JSON

{
  "hex": "#27378c",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 140
  },
  "hsl": {
    "h": 230.495,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37909,
    "c": 0.14185,
    "h": 270.1
  },
  "luminance": 0.05057
}

Semantic roles & 50–950 ramp

primary

#27378C

secondary

#B7A858

accent

#C848E0

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #27378C

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

Preview Lab → · Contrast checker → · Palette generator →