#39409B#39409B

#39409B is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.1% C 0.146 H 274.9°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#39409B
RGB	rgb(57, 64, 155)
HSL	hsl(236, 46%, 42%)
HSV	hsv(236, 63%, 61%)
CMYK	cmyk(63.2%, 58.7%, 0%, 39.2%)
CIE-LAB	lab(31.58, 26.41, -50.71)
CIE-LCH	lch(31.58, 57.17, 297.51°)
OKLab	oklab(42.07% 0.0124 -0.1458)
OKLCH	oklch(42.07% 0.146 274.9)
XYZ	xyz(9.4352, 6.9024, 31.8391)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39409B #9B9439

analogous

#39719B #39409B #63399B

triadic

#39409B #9B3940 #409B39

tetradic

#39409B #9B3971 #9B9439 #399B63

square

#39409B #9B3971 #9B9439 #399B63

split-complementary

#39409B #9B6339 #719B39

monochromatic

#181B42 #292E6E #39409B #525ABF #7F84D0

Accessibility & contrast

On white

8.82

#39409B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#39409B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39409B

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39409B	#FFFFFF	#000000	##FFFFFF
##39409B	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #39409b;
/* rgb */ color: rgb(57, 64, 155);
/* oklch */ color: oklch(42.1% 0.146 274.9);

Tailwind

colors: {
  custom: {
    50: '#7a74b9',
    500: '#39409b',
    950: '#000000',
  },
}

SCSS

$custom: #39409b;
$custom-light: #7a74b9;
$custom-dark: #000000;

JSON

{
  "hex": "#39409b",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 155
  },
  "hsl": {
    "h": 235.714,
    "s": 46.226,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42067,
    "c": 0.14629,
    "h": 274.9
  },
  "luminance": 0.06903
}

Semantic roles & 50–950 ramp

primary

#39409B

secondary

#B9B477

accent

#CC52D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #39409B

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

Preview Lab → · Contrast checker → · Palette generator →