#39439E#39439E

#39439E is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.147 H 273.8°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#39439E
RGB	rgb(57, 67, 158)
HSL	hsl(234, 47%, 42%)
HSV	hsv(234, 64%, 62%)
CMYK	cmyk(63.9%, 57.6%, 0%, 38%)
CIE-LAB	lab(32.60, 25.51, -50.88)
CIE-LCH	lch(32.60, 56.92, 296.62°)
OKLab	oklab(42.89% 0.0096 -0.1462)
OKLCH	oklch(42.89% 0.147 273.8)
XYZ	xyz(9.8640, 7.3520, 33.2404)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39439E #9E9439

analogous

#39769E #39439E #61399E

triadic

#39439E #9E3943 #439E39

tetradic

#39439E #9E3976 #9E9439 #399E61

square

#39439E #9E3976 #9E9439 #399E61

split-complementary

#39439E #9E6139 #769E39

monochromatic

#191D44 #293071 #39439E #535EC1 #8088D1

Accessibility & contrast

On white

8.50

#39439E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#39439E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39439E

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39439E	#FFFFFF	#000000	##FFFFFF
##39439E	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A1

Deuteranopia (green-blind)

#00489C

Tritanopia (blue-blind)

#00596A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #39439e;
/* rgb */ color: rgb(57, 67, 158);
/* oklch */ color: oklch(42.9% 0.147 273.8);

Tailwind

colors: {
  custom: {
    50: '#7a77bb',
    500: '#39439e',
    950: '#000000',
  },
}

SCSS

$custom: #39439e;
$custom-light: #7a77bb;
$custom-dark: #000000;

JSON

{
  "hex": "#39439e",
  "rgb": {
    "r": 57,
    "g": 67,
    "b": 158
  },
  "hsl": {
    "h": 234.059,
    "s": 46.977,
    "l": 42.157
  },
  "oklch": {
    "l": 0.42892,
    "c": 0.14656,
    "h": 273.8
  },
  "luminance": 0.07353
}

Semantic roles & 50–950 ramp

primary

#39439E

secondary

#BBB478

accent

#C951D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #39439E

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

Preview Lab → · Contrast checker → · Palette generator →