#443FBC#443FBC

#443FBC is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.5% C 0.189 H 277.5°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#443FBC
RGB	rgb(68, 63, 188)
HSL	hsl(242, 50%, 49%)
HSV	hsv(242, 66%, 74%)
CMYK	cmyk(63.8%, 66.5%, 0%, 26.3%)
CIE-LAB	lab(34.83, 40.07, -65.10)
CIE-LCH	lch(34.83, 76.44, 301.61°)
OKLab	oklab(45.49% 0.0248 -0.1877)
OKLCH	oklch(45.49% 0.189 277.5)
XYZ	xyz(13.2356, 8.4137, 48.4937)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.93

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#443FBC #B7BC3F

analogous

#3F79BC #443FBC #833FBC

triadic

#443FBC #BC443F #3FBC44

tetradic

#443FBC #BC3F79 #B7BC3F #3FBC83

square

#443FBC #BC3F79 #B7BC3F #3FBC83

split-complementary

#443FBC #BC833F #79BC3F

monochromatic

#232060 #33308E #443FBC #6F6BCD #9B99DD

Accessibility & contrast

On white

7.83

#443FBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#443FBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #443FBC

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##443FBC	#FFFFFF	#000000	##FFFFFF
##443FBC	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #443fbc;
/* rgb */ color: rgb(68, 63, 188);
/* oklch */ color: oklch(45.5% 0.189 277.5);

Tailwind

colors: {
  custom: {
    50: '#8675d1',
    500: '#443fbc',
    950: '#000000',
  },
}

SCSS

$custom: #443fbc;
$custom-light: #8675d1;
$custom-dark: #000000;

JSON

{
  "hex": "#443fbc",
  "rgb": {
    "r": 68,
    "g": 63,
    "b": 188
  },
  "hsl": {
    "h": 242.4,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.45493,
    "c": 0.18935,
    "h": 277.5
  },
  "luminance": 0.08415
}

Semantic roles & 50–950 ramp

primary

#443FBC

secondary

#C6C98E

accent

#D94ED4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #443FBC

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

Preview Lab → · Contrast checker → · Palette generator →