#43379B#43379B

#43379B is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.156 H 282.6°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#43379B
RGB	rgb(67, 55, 155)
HSL	hsl(247, 48%, 41%)
HSV	hsv(247, 65%, 61%)
CMYK	cmyk(56.8%, 64.5%, 0%, 39.2%)
CIE-LAB	lab(30.14, 33.95, -53.03)
CIE-LCH	lch(30.14, 62.97, 302.63°)
OKLab	oklab(41.2% 0.0339 -0.1524)
OKLCH	oklch(41.2% 0.156 282.6)
XYZ	xyz(9.5955, 6.2916, 31.7128)
Luminance	0.0629 (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

#43379B #8F9B37

analogous

#375D9B #43379B #75379B

triadic

#43379B #9B4337 #379B43

tetradic

#43379B #9B375D #8F9B37 #379B75

square

#43379B #9B375D #8F9B37 #379B75

split-complementary

#43379B #9B7537 #5D9B37

monochromatic

#1C1741 #2F276E #43379B #5C4FC0 #867CD0

Accessibility & contrast

On white

9.30

#43379B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#43379B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43379B

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43379B	#FFFFFF	#000000	##FFFFFF
##43379B	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#004399

Tritanopia (blue-blind)

#185064

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #43379b;
/* rgb */ color: rgb(67, 55, 155);
/* oklch */ color: oklch(41.2% 0.156 282.6);

Tailwind

colors: {
  custom: {
    50: '#806eb9',
    500: '#43379b',
    950: '#000000',
  },
}

SCSS

$custom: #43379b;
$custom-light: #806eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#43379b",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 155
  },
  "hsl": {
    "h": 247.2,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.41198,
    "c": 0.15608,
    "h": 282.6
  },
  "luminance": 0.06292
}

Semantic roles & 50–950 ramp

primary

#43379B

secondary

#B1BA74

accent

#D751C7

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #43379B

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

Preview Lab → · Contrast checker → · Palette generator →