#27378F#27378F

#27378F is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.2% C 0.146 H 270.1°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#27378F
RGB	rgb(39, 55, 143)
HSL	hsl(231, 57%, 36%)
HSV	hsv(231, 73%, 56%)
CMYK	cmyk(72.7%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(27.15, 25.18, -50.63)
CIE-LCH	lch(27.15, 56.55, 296.44°)
OKLab	oklab(38.17% 0.0002 -0.1461)
OKLCH	oklch(38.17% 0.146 270.1)
XYZ	xyz(7.1591, 5.1462, 26.5973)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27378F #8F7F27

analogous

#276B8F #27378F #4B278F

triadic

#27378F #8F2737 #378F27

tetradic

#27378F #8F276B #8F7F27 #278F4B

square

#27378F #8F276B #8F7F27 #278F4B

split-complementary

#27378F #8F4B27 #6B8F27

monochromatic

#0D122F #1A255F #27378F #3449BF #5D70D3

Accessibility & contrast

On white

10.35

#27378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#27378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27378F

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27378F	#FFFFFF	#000000	##FFFFFF
##27378F	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #27378f;
/* rgb */ color: rgb(39, 55, 143);
/* oklch */ color: oklch(38.2% 0.146 270.1);

Tailwind

colors: {
  custom: {
    50: '#706db1',
    500: '#27378f',
    950: '#000000',
  },
}

SCSS

$custom: #27378f;
$custom-light: #706db1;
$custom-dark: #000000;

JSON

{
  "hex": "#27378f",
  "rgb": {
    "r": 39,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 230.769,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38175,
    "c": 0.14609,
    "h": 270.1
  },
  "luminance": 0.05147
}

Semantic roles & 50–950 ramp

primary

#27378F

secondary

#B8AA5A

accent

#C947E0

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #27378F

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

Preview Lab → · Contrast checker → · Palette generator →