#4043C3#4043C3

#4043C3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.5% C 0.195 H 274.8°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#4043C3
RGB	rgb(64, 67, 195)
HSL	hsl(239, 52%, 51%)
HSV	hsv(239, 67%, 76%)
CMYK	cmyk(67.2%, 65.6%, 0%, 23.5%)
CIE-LAB	lab(36.07, 39.43, -67.19)
CIE-LCH	lch(36.07, 77.90, 300.41°)
OKLab	oklab(46.51% 0.0162 -0.1939)
OKLCH	oklch(46.51% 0.195 274.8)
XYZ	xyz(13.9686, 9.0432, 52.6285)
Luminance	0.0904 (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

#4043C3 #C3C040

analogous

#4084C3 #4043C3 #7E40C3

triadic

#4043C3 #C34043 #43C340

tetradic

#4043C3 #C34084 #C3C040 #40C37E

square

#4043C3 #C34084 #C3C040 #40C37E

split-complementary

#4043C3 #C37E40 #84C340

monochromatic

#212268 #2F3297 #4043C3 #6F71D2 #9D9FE0

Accessibility & contrast

On white

7.48

#4043C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4043C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4043C3

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4043C3	#FFFFFF	#000000	##FFFFFF
##4043C3	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC7

Deuteranopia (green-blind)

#004FC1

Tritanopia (blue-blind)

#00647D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4043c3;
/* rgb */ color: rgb(64, 67, 195);
/* oklch */ color: oklch(46.5% 0.195 274.8);

Tailwind

colors: {
  custom: {
    50: '#8577d6',
    500: '#4043c3',
    950: '#000000',
  },
}

SCSS

$custom: #4043c3;
$custom-light: #8577d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4043c3",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 195
  },
  "hsl": {
    "h": 238.626,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46508,
    "c": 0.19462,
    "h": 274.8
  },
  "luminance": 0.09044
}

Semantic roles & 50–950 ramp

primary

#4043C3

secondary

#CCCB92

accent

#D84CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4043C3

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

Preview Lab → · Contrast checker → · Palette generator →