#4043C1#4043C1

#4043C1 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.3% C 0.192 H 274.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4043C1
RGB	rgb(64, 67, 193)
HSL	hsl(239, 51%, 50%)
HSV	hsv(239, 67%, 76%)
CMYK	cmyk(66.8%, 65.3%, 0%, 24.3%)
CIE-LAB	lab(35.89, 38.76, -66.30)
CIE-LCH	lch(35.89, 76.80, 300.31°)
OKLab	oklab(46.33% 0.0164 -0.1913)
OKLCH	oklch(46.33% 0.192 274.9)
XYZ	xyz(13.7440, 8.9533, 51.4456)
Luminance	0.0896 (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

#4043C1 #C1BE40

analogous

#4083C1 #4043C1 #7E40C1

triadic

#4043C1 #C14043 #43C140

tetradic

#4043C1 #C14083 #C1BE40 #40C17E

square

#4043C1 #C14083 #C1BE40 #40C17E

split-complementary

#4043C1 #C17E40 #83C140

monochromatic

#212366 #303294 #4043C1 #6E70D0 #9C9EDF

Accessibility & contrast

On white

7.52

#4043C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4043C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043C1

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043C1	#FFFFFF	#000000	##FFFFFF
##4043C1	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC5

Deuteranopia (green-blind)

#004FBF

Tritanopia (blue-blind)

#00647C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4043c1;
/* rgb */ color: rgb(64, 67, 193);
/* oklch */ color: oklch(46.3% 0.192 274.9);

Tailwind

colors: {
  custom: {
    50: '#8577d5',
    500: '#4043c1',
    950: '#000000',
  },
}

SCSS

$custom: #4043c1;
$custom-light: #8577d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4043c1",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 193
  },
  "hsl": {
    "h": 238.605,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46329,
    "c": 0.19204,
    "h": 274.9
  },
  "luminance": 0.08955
}

Semantic roles & 50–950 ramp

primary

#4043C1

secondary

#CBCA92

accent

#D74DDA

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4043C1

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

Preview Lab → · Contrast checker → · Palette generator →