#443D8D#443D8D

#443D8D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.128 H 283.2°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#443D8D
RGB	rgb(68, 61, 141)
HSL	hsl(245, 40%, 40%)
HSV	hsv(245, 57%, 55%)
CMYK	cmyk(51.8%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(30.61, 25.78, -43.68)
CIE-LCH	lch(30.61, 50.72, 300.55°)
OKLab	oklab(41.23% 0.0292 -0.1248)
OKLCH	oklch(41.23% 0.128 283.2)
XYZ	xyz(8.8589, 6.4891, 25.9799)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443D8D #868D3D

analogous

#3D5E8D #443D8D #6C3D8D

triadic

#443D8D #8D443D #3D8D44

tetradic

#443D8D #8D3D5E #868D3D #3D8D6C

square

#443D8D #8D3D5E #868D3D #3D8D6C

split-complementary

#443D8D #8D6C3D #5E8D3D

monochromatic

#1B1838 #2F2B62 #443D8D #5B53B4 #847DC7

Accessibility & contrast

On white

9.14

#443D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#443D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443D8D

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443D8D	#FFFFFF	#000000	##FFFFFF
##443D8D	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4B90

Deuteranopia (green-blind)

#02458B

Tritanopia (blue-blind)

#284F5F

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #443d8d;
/* rgb */ color: rgb(68, 61, 141);
/* oklch */ color: oklch(41.2% 0.128 283.2);

Tailwind

colors: {
  custom: {
    50: '#7e72af',
    500: '#443d8d',
    950: '#000000',
  },
}

SCSS

$custom: #443d8d;
$custom-light: #7e72af;
$custom-dark: #000000;

JSON

{
  "hex": "#443d8d",
  "rgb": {
    "r": 68,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 245.25,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.41232,
    "c": 0.12817,
    "h": 283.2
  },
  "luminance": 0.0649
}

Semantic roles & 50–950 ramp

primary

#443D8D

secondary

#ACB175

accent

#CF58C5

background

#F8F6FA

surface

#EFECF4

border

#CAC7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #443D8D

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

Preview Lab → · Contrast checker → · Palette generator →