#39378D#39378D

#39378D is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.2% C 0.139 H 278.9°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#39378D
RGB	rgb(57, 55, 141)
HSL	hsl(241, 44%, 38%)
HSV	hsv(241, 61%, 55%)
CMYK	cmyk(59.6%, 61%, 0%, 44.7%)
CIE-LAB	lab(28.18, 27.40, -47.66)
CIE-LCH	lch(28.18, 54.98, 299.89°)
OKLab	oklab(39.2% 0.0215 -0.1369)
OKLCH	oklch(39.2% 0.139 278.9)
XYZ	xyz(7.8597, 5.5248, 25.8464)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39378D #8B8D37

analogous

#37608D #39378D #64378D

triadic

#39378D #8D3937 #378D39

tetradic

#39378D #8D3760 #8B8D37 #378D64

square

#39378D #8D3760 #8B8D37 #378D64

split-complementary

#39378D #8D6437 #608D37

monochromatic

#151535 #272661 #39378D #4C49B8 #7775C9

Accessibility & contrast

On white

9.98

#39378D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#39378D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39378D

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39378D	#FFFFFF	#000000	##FFFFFF
##39378D	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004690

Deuteranopia (green-blind)

#003F8B

Tritanopia (blue-blind)

#034C5C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #39378d;
/* rgb */ color: rgb(57, 55, 141);
/* oklch */ color: oklch(39.2% 0.139 278.9);

Tailwind

colors: {
  custom: {
    50: '#786eaf',
    500: '#39378d',
    950: '#000000',
  },
}

SCSS

$custom: #39378d;
$custom-light: #786eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#39378d",
  "rgb": {
    "r": 57,
    "g": 55,
    "b": 141
  },
  "hsl": {
    "h": 241.395,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39202,
    "c": 0.13855,
    "h": 278.9
  },
  "luminance": 0.05525
}

Semantic roles & 50–950 ramp

primary

#39378D

secondary

#B0B26E

accent

#D454D1

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #39378D

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

Preview Lab → · Contrast checker → · Palette generator →