#39378F#39378F

#39378F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.141 H 278.7°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#39378F
RGB	rgb(57, 55, 143)
HSL	hsl(241, 44%, 39%)
HSV	hsv(241, 62%, 56%)
CMYK	cmyk(60.1%, 61.5%, 0%, 43.9%)
CIE-LAB	lab(28.34, 28.09, -48.64)
CIE-LCH	lch(28.34, 56.17, 300.01°)
OKLab	oklab(39.37% 0.0214 -0.1398)
OKLCH	oklch(39.37% 0.141 278.7)
XYZ	xyz(8.0099, 5.5848, 26.6372)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39378F #8D8F37

analogous

#37618F #39378F #65378F

triadic

#39378F #8F3937 #378F39

tetradic

#39378F #8F3761 #8D8F37 #378F65

square

#39378F #8F3761 #8D8F37 #378F65

split-complementary

#39378F #8F6537 #618F37

monochromatic

#161537 #272663 #39378F #4C4AB9 #7876CA

Accessibility & contrast

On white

9.92

#39378F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#39378F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39378F

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39378F	#FFFFFF	#000000	##FFFFFF
##39378F	1.00	9.92	2.12	9.92
#FFFFFF	9.92	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004692

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#004C5D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #39378f;
/* rgb */ color: rgb(57, 55, 143);
/* oklch */ color: oklch(39.4% 0.141 278.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#39378f",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 143
  },
  "hsl": {
    "h": 241.364,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.3937,
    "c": 0.14138,
    "h": 278.7
  },
  "luminance": 0.05585
}

Semantic roles & 50–950 ramp

primary

#39378F

secondary

#B2B36F

accent

#D454D1

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #39378F

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

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