#443BBB#443BBB

#443BBB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.193 H 278.4°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#443BBB
RGB	rgb(68, 59, 187)
HSL	hsl(244, 52%, 48%)
HSV	hsv(244, 68%, 73%)
CMYK	cmyk(63.6%, 68.4%, 0%, 26.7%)
CIE-LAB	lab(33.87, 42.11, -66.09)
CIE-LCH	lch(33.87, 78.37, 302.51°)
OKLab	oklab(44.77% 0.028 -0.1906)
OKLCH	oklch(44.77% 0.193 278.4)
XYZ	xyz(12.9146, 7.9437, 47.8568)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443BBB #B2BB3B

analogous

#3B72BB #443BBB #843BBB

triadic

#443BBB #BB443B #3BBB44

tetradic

#443BBB #BB3B72 #B2BB3B #3BBB84

square

#443BBB #BB3B72 #B2BB3B #3BBB84

split-complementary

#443BBB #BB843B #72BB3B

monochromatic

#221E5E #332C8C #443BBB #6C65CE #9993DD

Accessibility & contrast

On white

8.11

#443BBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#443BBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443BBB

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443BBB	#FFFFFF	#000000	##FFFFFF
##443BBB	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #443bbb;
/* rgb */ color: rgb(68, 59, 187);
/* oklch */ color: oklch(44.8% 0.193 278.4);

Tailwind

colors: {
  custom: {
    50: '#8672d1',
    500: '#443bbb',
    950: '#000000',
  },
}

SCSS

$custom: #443bbb;
$custom-light: #8672d1;
$custom-dark: #000000;

JSON

{
  "hex": "#443bbb",
  "rgb": {
    "r": 68,
    "g": 59,
    "b": 187
  },
  "hsl": {
    "h": 244.219,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44769,
    "c": 0.19267,
    "h": 278.4
  },
  "luminance": 0.07945
}

Semantic roles & 50–950 ramp

primary

#443BBB

secondary

#C4C88A

accent

#DB4CD1

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #443BBB

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

Preview Lab → · Contrast checker → · Palette generator →