#43399D#43399D

#43399D is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.156 H 281.7°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#43399D
RGB	rgb(67, 57, 157)
HSL	hsl(246, 47%, 42%)
HSV	hsv(246, 64%, 62%)
CMYK	cmyk(57.3%, 63.7%, 0%, 38.4%)
CIE-LAB	lab(30.77, 33.37, -53.22)
CIE-LCH	lch(30.77, 62.81, 302.09°)
OKLab	oklab(41.71% 0.0318 -0.1529)
OKLCH	oklch(41.71% 0.156 281.7)
XYZ	xyz(9.8618, 6.5532, 32.6370)
Luminance	0.0655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43399D #939D39

analogous

#39619D #43399D #75399D

triadic

#43399D #9D4339 #399D43

tetradic

#43399D #9D3961 #939D39 #399D75

square

#43399D #9D3961 #939D39 #399D75

split-complementary

#43399D #9D7539 #619D39

monochromatic

#1D1843 #302970 #43399D #5E53C0 #8880D1

Accessibility & contrast

On white

9.09

#43399D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#43399D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43399D

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43399D	#FFFFFF	#000000	##FFFFFF
##43399D	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA0

Deuteranopia (green-blind)

#00459B

Tritanopia (blue-blind)

#145265

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #43399d;
/* rgb */ color: rgb(67, 57, 157);
/* oklch */ color: oklch(41.7% 0.156 281.7);

Tailwind

colors: {
  custom: {
    50: '#8070bb',
    500: '#43399d',
    950: '#000000',
  },
}

SCSS

$custom: #43399d;
$custom-light: #8070bb;
$custom-dark: #000000;

JSON

{
  "hex": "#43399d",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 157
  },
  "hsl": {
    "h": 246,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.41709,
    "c": 0.15616,
    "h": 281.7
  },
  "luminance": 0.06554
}

Semantic roles & 50–950 ramp

primary

#43399D

secondary

#B4BA78

accent

#D651C9

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #43399D

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

Preview Lab → · Contrast checker → · Palette generator →