#4142E1#4142E1

#4142E1 is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.2% C 0.233 H 273.5°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#4142E1
RGB	rgb(65, 66, 225)
HSL	hsl(240, 73%, 57%)
HSV	hsv(240, 71%, 88%)
CMYK	cmyk(71.1%, 70.7%, 0%, 11.8%)
CIE-LAB	lab(38.65, 50.06, -80.27)
CIE-LCH	lch(38.65, 94.60, 301.95°)
OKLab	oklab(49.22% 0.0143 -0.2321)
OKLCH	oklch(49.22% 0.233 273.5)
XYZ	xyz(17.7143, 10.4547, 72.3040)
Luminance	0.1046 (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

#4142E1 #E1E041

analogous

#4192E1 #4142E1 #9041E1

triadic

#4142E1 #E14142 #42E141

tetradic

#4142E1 #E14192 #E1E041 #41E190

square

#4142E1 #E14192 #E1E041 #41E190

split-complementary

#4142E1 #E19041 #92E141

monochromatic

#171891 #1F20C6 #4142E1 #7677E9 #ABABF2

Accessibility & contrast

On white

6.79

#4142E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#4142E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4142E1

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142E1	#FFFFFF	#000000	##FFFFFF
##4142E1	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E6

Deuteranopia (green-blind)

#0053DE

Tritanopia (blue-blind)

#006F8D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4142e1;
/* rgb */ color: rgb(65, 66, 225);
/* oklch */ color: oklch(49.2% 0.233 273.5);

Tailwind

colors: {
  custom: {
    50: '#8c78ec',
    500: '#4142e1',
    950: '#000000',
  },
}

SCSS

$custom: #4142e1;
$custom-light: #8c78ec;
$custom-dark: #000000;

JSON

{
  "hex": "#4142e1",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 225
  },
  "hsl": {
    "h": 239.625,
    "s": 72.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.49216,
    "c": 0.23259,
    "h": 273.5
  },
  "luminance": 0.10456
}

Semantic roles & 50–950 ramp

primary

#4142E1

secondary

#E0DF9E

accent

#EE38EF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4142E1

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

Preview Lab → · Contrast checker → · Palette generator →