#39309E#39309E

#39309E is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.170 H 278.8°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#39309E
RGB	rgb(57, 48, 158)
HSL	hsl(245, 53%, 40%)
HSV	hsv(245, 70%, 62%)
CMYK	cmyk(63.9%, 69.6%, 0%, 38%)
CIE-LAB	lab(27.98, 37.58, -58.40)
CIE-LCH	lch(27.98, 69.45, 302.76°)
OKLab	oklab(39.51% 0.0262 -0.1684)
OKLCH	oklch(39.51% 0.17 278.8)
XYZ	xyz(8.9139, 5.4517, 32.9237)
Luminance	0.0545 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39309E #959E30

analogous

#305E9E #39309E #70309E

triadic

#39309E #9E3930 #309E39

tetradic

#39309E #9E305E #959E30 #309E70

square

#39309E #9E305E #959E30 #309E70

split-complementary

#39309E #9E7030 #5E9E30

monochromatic

#171340 #28226F #39309E #4F45C6 #7C74D5

Accessibility & contrast

On white

10.05

#39309E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#39309E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39309E

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39309E	#FFFFFF	#000000	##FFFFFF
##39309E	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #39309e;
/* rgb */ color: rgb(57, 48, 158);
/* oklch */ color: oklch(39.5% 0.170 278.8);

Tailwind

colors: {
  custom: {
    50: '#7c69bc',
    500: '#39309e',
    950: '#000000',
  },
}

SCSS

$custom: #39309e;
$custom-light: #7c69bc;
$custom-dark: #000000;

JSON

{
  "hex": "#39309e",
  "rgb": {
    "r": 57,
    "g": 48,
    "b": 158
  },
  "hsl": {
    "h": 244.909,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39513,
    "c": 0.17046,
    "h": 278.8
  },
  "luminance": 0.05452
}

Semantic roles & 50–950 ramp

primary

#39309E

secondary

#B6BD6D

accent

#DD4BD1

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #39309E

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

Preview Lab → · Contrast checker → · Palette generator →