#39399D#39399D

#39399D is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.9% C 0.158 H 276.8°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#39399D
RGB	rgb(57, 57, 157)
HSL	hsl(240, 47%, 42%)
HSV	hsv(240, 64%, 62%)
CMYK	cmyk(63.7%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(29.98, 31.65, -54.52)
CIE-LCH	lch(29.98, 63.04, 300.13°)
OKLab	oklab(40.94% 0.0188 -0.157)
OKLCH	oklch(40.94% 0.158 276.8)
XYZ	xyz(9.2343, 6.2297, 32.6076)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39399D #9D9D39

analogous

#396B9D #39399D #6B399D

triadic

#39399D #9D3939 #399D39

tetradic

#39399D #9D396B #9D9D39 #399D6B

square

#39399D #9D396B #9D9D39 #399D6B

split-complementary

#39399D #9D6B39 #6B9D39

monochromatic

#181843 #292970 #39399D #5353C0 #8080D1

Accessibility & contrast

On white

9.35

#39399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#39399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39399D

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39399D	#FFFFFF	#000000	##FFFFFF
##39399D	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00429B

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #39399d;
/* rgb */ color: rgb(57, 57, 157);
/* oklch */ color: oklch(40.9% 0.158 276.8);

Tailwind

colors: {
  custom: {
    50: '#7b6fbb',
    500: '#39399d',
    950: '#000000',
  },
}

SCSS

$custom: #39399d;
$custom-light: #7b6fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#39399d",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 240,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40938,
    "c": 0.15816,
    "h": 276.8
  },
  "luminance": 0.0623
}

Semantic roles & 50–950 ramp

primary

#39399D

secondary

#BABA78

accent

#D651D6

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #39399D

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

Preview Lab → · Contrast checker → · Palette generator →