#39439B#39439B

#39439B is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.7% C 0.142 H 273.8°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#39439B
RGB	rgb(57, 67, 155)
HSL	hsl(234, 46%, 42%)
HSV	hsv(234, 63%, 61%)
CMYK	cmyk(63.2%, 56.8%, 0%, 39.2%)
CIE-LAB	lab(32.37, 24.44, -49.43)
CIE-LCH	lch(32.37, 55.14, 296.30°)
OKLab	oklab(42.65% 0.0095 -0.142)
OKLCH	oklch(42.65% 0.142 273.8)
XYZ	xyz(9.6089, 7.2499, 31.8970)
Luminance	0.0725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39439B #9B9139

analogous

#39749B #39439B #60399B

triadic

#39439B #9B3943 #439B39

tetradic

#39439B #9B3974 #9B9139 #399B60

square

#39439B #9B3974 #9B9139 #399B60

split-complementary

#39439B #9B6039 #749B39

monochromatic

#181C42 #29306E #39439B #525DBF #7F87D0

Accessibility & contrast

On white

8.57

#39439B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#39439B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39439B

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39439B	#FFFFFF	#000000	##FFFFFF
##39439B	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00519E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #39439b;
/* rgb */ color: rgb(57, 67, 155);
/* oklch */ color: oklch(42.7% 0.142 273.8);

Tailwind

colors: {
  custom: {
    50: '#7a77b9',
    500: '#39439b',
    950: '#000000',
  },
}

SCSS

$custom: #39439b;
$custom-light: #7a77b9;
$custom-dark: #000000;

JSON

{
  "hex": "#39439b",
  "rgb": {
    "r": 57,
    "g": 67,
    "b": 155
  },
  "hsl": {
    "h": 233.878,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42652,
    "c": 0.14231,
    "h": 273.8
  },
  "luminance": 0.07251
}

Semantic roles & 50–950 ramp

primary

#39439B

secondary

#B9B277

accent

#C852D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #39439B

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

Preview Lab → · Contrast checker → · Palette generator →