#39378A#39378A

#39378A is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.0% C 0.134 H 279.2°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#39378A
RGB	rgb(57, 55, 138)
HSL	hsl(241, 43%, 38%)
HSV	hsv(241, 60%, 54%)
CMYK	cmyk(58.7%, 60.1%, 0%, 45.9%)
CIE-LAB	lab(27.94, 26.37, -46.19)
CIE-LCH	lch(27.94, 53.18, 299.72°)
OKLab	oklab(38.95% 0.0215 -0.1325)
OKLCH	oklch(38.95% 0.134 279.2)
XYZ	xyz(7.6395, 5.4367, 24.6866)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39378A #888A37

analogous

#375E8A #39378A #62378A

triadic

#39378A #8A3937 #378A39

tetradic

#39378A #8A375E #888A37 #378A62

square

#39378A #8A375E #888A37 #378A62

split-complementary

#39378A #8A6237 #5E8A37

monochromatic

#151432 #27265E #39378A #4B48B6 #7674C8

Accessibility & contrast

On white

10.06

#39378A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#39378A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39378A

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39378A	#FFFFFF	#000000	##FFFFFF
##39378A	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#0A4B5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #39378a;
/* rgb */ color: rgb(57, 55, 138);
/* oklch */ color: oklch(39.0% 0.134 279.2);

Tailwind

colors: {
  custom: {
    50: '#786ead',
    500: '#39378a',
    950: '#000000',
  },
}

SCSS

$custom: #39378a;
$custom-light: #786ead;
$custom-dark: #000000;

JSON

{
  "hex": "#39378a",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 138
  },
  "hsl": {
    "h": 241.446,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.38954,
    "c": 0.13429,
    "h": 279.2
  },
  "luminance": 0.05437
}

Semantic roles & 50–950 ramp

primary

#39378A

secondary

#AFB06D

accent

#D355D0

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #39378A

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

Preview Lab → · Contrast checker → · Palette generator →