#27378D#27378D

#27378D is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.143 H 270.1°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#27378D
RGB	rgb(39, 55, 141)
HSL	hsl(231, 57%, 35%)
HSV	hsv(231, 72%, 55%)
CMYK	cmyk(72.3%, 61%, 0%, 44.7%)
CIE-LAB	lab(26.98, 24.42, -49.67)
CIE-LCH	lch(26.98, 55.35, 296.18°)
OKLab	oklab(38% 0.0002 -0.1433)
OKLCH	oklch(38% 0.143 270.1)
XYZ	xyz(7.0090, 5.0861, 25.8065)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27378D #8D7D27

analogous

#276A8D #27378D #4A278D

triadic

#27378D #8D2737 #378D27

tetradic

#27378D #8D276A #8D7D27 #278D4A

square

#27378D #8D276A #8D7D27 #278D4A

split-complementary

#27378D #8D4A27 #6A8D27

monochromatic

#0C122D #1A245D #27378D #344ABD #5C6FD2

Accessibility & contrast

On white

10.41

#27378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#27378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27378D

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27378D	#FFFFFF	#000000	##FFFFFF
##27378D	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004590

Deuteranopia (green-blind)

#003B8B

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #27378d;
/* rgb */ color: rgb(39, 55, 141);
/* oklch */ color: oklch(38.0% 0.143 270.1);

Tailwind

colors: {
  custom: {
    50: '#706daf',
    500: '#27378d',
    950: '#000000',
  },
}

SCSS

$custom: #27378d;
$custom-light: #706daf;
$custom-dark: #000000;

JSON

{
  "hex": "#27378d",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 230.588,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37997,
    "c": 0.14327,
    "h": 270.1
  },
  "luminance": 0.05087
}

Semantic roles & 50–950 ramp

primary

#27378D

secondary

#B7A859

accent

#C848E0

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #27378D

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

Preview Lab → · Contrast checker → · Palette generator →