#4043C0#4043C0

#4043C0 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.2% C 0.191 H 275.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#4043C0
RGB	rgb(64, 67, 192)
HSL	hsl(239, 50%, 50%)
HSV	hsv(239, 67%, 75%)
CMYK	cmyk(66.7%, 65.1%, 0%, 24.7%)
CIE-LAB	lab(35.81, 38.42, -65.86)
CIE-LCH	lch(35.81, 76.24, 300.26°)
OKLab	oklab(46.24% 0.0165 -0.19)
OKLCH	oklch(46.24% 0.191 275)
XYZ	xyz(13.6328, 8.9089, 50.8601)
Luminance	0.0891 (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

#4043C0 #C0BD40

analogous

#4083C0 #4043C0 #7D40C0

triadic

#4043C0 #C04043 #43C040

tetradic

#4043C0 #C04083 #C0BD40 #40C07D

square

#4043C0 #C04083 #C0BD40 #40C07D

split-complementary

#4043C0 #C07D40 #83C040

monochromatic

#212364 #303392 #4043C0 #6E70CF #9C9EDE

Accessibility & contrast

On white

7.55

#4043C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#4043C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043C0

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043C0	#FFFFFF	#000000	##FFFFFF
##4043C0	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC4

Deuteranopia (green-blind)

#004EBE

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4043c0;
/* rgb */ color: rgb(64, 67, 192);
/* oklch */ color: oklch(46.2% 0.191 275.0);

Tailwind

colors: {
  custom: {
    50: '#8577d4',
    500: '#4043c0',
    950: '#000000',
  },
}

SCSS

$custom: #4043c0;
$custom-light: #8577d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4043c0",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 192
  },
  "hsl": {
    "h": 238.594,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.46239,
    "c": 0.19074,
    "h": 275
  },
  "luminance": 0.0891
}

Semantic roles & 50–950 ramp

primary

#4043C0

secondary

#CBC991

accent

#D74EDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4043C0

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

Preview Lab → · Contrast checker → · Palette generator →