#443CBB#443CBB

#443CBB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.192 H 278.2°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#443CBB
RGB	rgb(68, 60, 187)
HSL	hsl(244, 51%, 48%)
HSV	hsv(244, 68%, 73%)
CMYK	cmyk(63.6%, 67.9%, 0%, 26.7%)
CIE-LAB	lab(34.08, 41.52, -65.73)
CIE-LCH	lch(34.08, 77.75, 302.28°)
OKLab	oklab(44.93% 0.0272 -0.1896)
OKLCH	oklch(44.93% 0.192 278.2)
XYZ	xyz(12.9665, 8.0475, 47.8741)
Luminance	0.0805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.24

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443CBB #B3BB3C

analogous

#3C73BB #443CBB #833CBB

triadic

#443CBB #BB443C #3CBB44

tetradic

#443CBB #BB3C73 #B3BB3C #3CBB83

square

#443CBB #BB3C73 #B3BB3C #3CBB83

split-complementary

#443CBB #BB833C #73BB3C

monochromatic

#221E5E #332D8D #443CBB #6D66CE #9995DD

Accessibility & contrast

On white

8.05

#443CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#443CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443CBB

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443CBB	#FFFFFF	#000000	##FFFFFF
##443CBB	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004BB9

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443cbb;
/* rgb */ color: rgb(68, 60, 187);
/* oklch */ color: oklch(44.9% 0.192 278.2);

Tailwind

colors: {
  custom: {
    50: '#8673d1',
    500: '#443cbb',
    950: '#000000',
  },
}

SCSS

$custom: #443cbb;
$custom-light: #8673d1;
$custom-dark: #000000;

JSON

{
  "hex": "#443cbb",
  "rgb": {
    "r": 68,
    "g": 60,
    "b": 187
  },
  "hsl": {
    "h": 243.78,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44925,
    "c": 0.19154,
    "h": 278.2
  },
  "luminance": 0.08049
}

Semantic roles & 50–950 ramp

primary

#443CBB

secondary

#C4C88B

accent

#DB4DD2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443CBB

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

Preview Lab → · Contrast checker → · Palette generator →