#4143DE#4143DE

#4143DE is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 49.1% C 0.228 H 273.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4143DE
RGB	rgb(65, 67, 222)
HSL	hsl(239, 70%, 56%)
HSV	hsv(239, 71%, 87%)
CMYK	cmyk(70.7%, 69.8%, 0%, 12.9%)
CIE-LAB	lab(38.57, 48.52, -78.68)
CIE-LCH	lch(38.57, 92.44, 301.66°)
OKLab	oklab(49.08% 0.0142 -0.2275)
OKLCH	oklch(49.08% 0.228 273.6)
XYZ	xyz(17.3675, 10.4103, 70.1872)
Luminance	0.1041 (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

#4143DE #DEDC41

analogous

#4192DE #4143DE #8E41DE

triadic

#4143DE #DE4143 #43DE41

tetradic

#4143DE #DE4192 #DEDC41 #41DE8E

square

#4143DE #DE4192 #DEDC41 #41DE8E

split-complementary

#4143DE #DE8E41 #92DE41

monochromatic

#181A8C #2123C0 #4143DE #7577E7 #A9AAF0

Accessibility & contrast

On white

6.81

#4143DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4143DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4143DE

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143DE	#FFFFFF	#000000	##FFFFFF
##4143DE	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E3

Deuteranopia (green-blind)

#0053DB

Tritanopia (blue-blind)

#006E8C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4143de;
/* rgb */ color: rgb(65, 67, 222);
/* oklch */ color: oklch(49.1% 0.228 273.6);

Tailwind

colors: {
  custom: {
    50: '#8b78ea',
    500: '#4143de',
    950: '#000000',
  },
}

SCSS

$custom: #4143de;
$custom-light: #8b78ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4143de",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 222
  },
  "hsl": {
    "h": 239.236,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49075,
    "c": 0.22797,
    "h": 273.6
  },
  "luminance": 0.10412
}

Semantic roles & 50–950 ramp

primary

#4143DE

secondary

#DEDD9D

accent

#EB3BED

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4143DE

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

Preview Lab → · Contrast checker → · Palette generator →