#39399C#39399C

#39399C is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.8% C 0.157 H 276.9°. Best body text is #FFFFFF at 9.38:1 contrast (WCAG AA passes).

Color values

HEX	#39399C
RGB	rgb(57, 57, 156)
HSL	hsl(240, 46%, 42%)
HSV	hsv(240, 63%, 61%)
CMYK	cmyk(63.5%, 63.5%, 0%, 38.8%)
CIE-LAB	lab(29.90, 31.30, -54.05)
CIE-LCH	lch(29.90, 62.46, 300.07°)
OKLab	oklab(40.85% 0.0189 -0.1556)
OKLCH	oklch(40.85% 0.157 276.9)
XYZ	xyz(9.1493, 6.1957, 32.1598)
Luminance	0.0620 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39399C #9C9C39

analogous

#396B9C #39399C #6B399C

triadic

#39399C #9C3939 #399C39

tetradic

#39399C #9C396B #9C9C39 #399C6B

square

#39399C #9C396B #9C9C39 #399C6B

split-complementary

#39399C #9C6B39 #6B9C39

monochromatic

#181842 #29296F #39399C #5252C0 #7F7FD0

Accessibility & contrast

On white

9.38

#39399C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.24

#39399C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39399C

9.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39399C	#FFFFFF	#000000	##FFFFFF
##39399C	1.00	9.38	2.24	9.38
#FFFFFF	9.38	1.00	21.00	1.00
#000000	2.24	21.00	1.00	21.00
##FFFFFF	9.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B9F

Deuteranopia (green-blind)

#00429A

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #39399c;
/* rgb */ color: rgb(57, 57, 156);
/* oklch */ color: oklch(40.8% 0.157 276.9);

Tailwind

colors: {
  custom: {
    50: '#7b6fba',
    500: '#39399c',
    950: '#000000',
  },
}

SCSS

$custom: #39399c;
$custom-light: #7b6fba;
$custom-dark: #000000;

JSON

{
  "hex": "#39399c",
  "rgb": {
    "r": 57,
    "g": 57,
    "b": 156
  },
  "hsl": {
    "h": 240,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4085,
    "c": 0.15679,
    "h": 276.9
  },
  "luminance": 0.06196
}

Semantic roles & 50–950 ramp

primary

#39399C

secondary

#BABA77

accent

#D652D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #39399C

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

Preview Lab → · Contrast checker → · Palette generator →