#4043C5#4043C5

#4043C5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.7% C 0.197 H 274.7°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4043C5
RGB	rgb(64, 67, 197)
HSL	hsl(239, 53%, 51%)
HSV	hsv(239, 68%, 77%)
CMYK	cmyk(67.5%, 66%, 0%, 22.7%)
CIE-LAB	lab(36.24, 40.11, -68.07)
CIE-LCH	lch(36.24, 79.01, 300.51°)
OKLab	oklab(46.69% 0.016 -0.1965)
OKLCH	oklch(46.69% 0.197 274.7)
XYZ	xyz(14.1962, 9.1342, 53.8274)
Luminance	0.0914 (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

#4043C5 #C5C240

analogous

#4085C5 #4043C5 #7F40C5

triadic

#4043C5 #C54043 #43C540

tetradic

#4043C5 #C54085 #C5C240 #40C57F

square

#4043C5 #C54085 #C5C240 #40C57F

split-complementary

#4043C5 #C57F40 #85C540

monochromatic

#20226A #2F3199 #4043C5 #6F71D3 #9E9FE2

Accessibility & contrast

On white

7.43

#4043C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4043C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043C5

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043C5	#FFFFFF	#000000	##FFFFFF
##4043C5	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC9

Deuteranopia (green-blind)

#004FC3

Tritanopia (blue-blind)

#00657E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4043c5;
/* rgb */ color: rgb(64, 67, 197);
/* oklch */ color: oklch(46.7% 0.197 274.7);

Tailwind

colors: {
  custom: {
    50: '#8678d8',
    500: '#4043c5',
    950: '#000000',
  },
}

SCSS

$custom: #4043c5;
$custom-light: #8678d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4043c5",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 197
  },
  "hsl": {
    "h": 238.647,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46688,
    "c": 0.19717,
    "h": 274.7
  },
  "luminance": 0.09136
}

Semantic roles & 50–950 ramp

primary

#4043C5

secondary

#CECC93

accent

#DA4BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #4043C5

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

Preview Lab → · Contrast checker → · Palette generator →