#39378E#39378E

#39378E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.3% C 0.140 H 278.8°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#39378E
RGB	rgb(57, 55, 142)
HSL	hsl(241, 44%, 39%)
HSV	hsv(241, 61%, 56%)
CMYK	cmyk(59.9%, 61.3%, 0%, 44.3%)
CIE-LAB	lab(28.26, 27.75, -48.15)
CIE-LCH	lch(28.26, 55.57, 299.95°)
OKLab	oklab(39.29% 0.0214 -0.1383)
OKLCH	oklch(39.29% 0.14 278.8)
XYZ	xyz(7.9345, 5.5547, 26.2400)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39378E #8C8E37

analogous

#37608E #39378E #64378E

triadic

#39378E #8E3937 #378E39

tetradic

#39378E #8E3760 #8C8E37 #378E64

square

#39378E #8E3760 #8C8E37 #378E64

split-complementary

#39378E #8E6437 #608E37

monochromatic

#161536 #272662 #39378E #4C49B9 #7876CA

Accessibility & contrast

On white

9.95

#39378E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#39378E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39378E

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39378E	#FFFFFF	#000000	##FFFFFF
##39378E	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004691

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #39378e;
/* rgb */ color: rgb(57, 55, 142);
/* oklch */ color: oklch(39.3% 0.140 278.8);

Tailwind

colors: {
  custom: {
    50: '#786eb0',
    500: '#39378e',
    950: '#000000',
  },
}

SCSS

$custom: #39378e;
$custom-light: #786eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#39378e",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 142
  },
  "hsl": {
    "h": 241.379,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.39286,
    "c": 0.13997,
    "h": 278.8
  },
  "luminance": 0.05555
}

Semantic roles & 50–950 ramp

primary

#39378E

secondary

#B1B36E

accent

#D454D1

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #39378E

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

Preview Lab → · Contrast checker → · Palette generator →