#4142CF#4142CF

#4142CF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.211 H 274.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#4142CF
RGB	rgb(65, 66, 207)
HSL	hsl(240, 60%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(68.6%, 68.1%, 0%, 18.8%)
CIE-LAB	lab(36.97, 44.17, -72.68)
CIE-LCH	lch(36.97, 85.05, 301.29°)
OKLab	oklab(47.51% 0.0168 -0.21)
OKLCH	oklch(47.51% 0.211 274.6)
XYZ	xyz(15.3869, 9.5238, 60.0468)
Luminance	0.0953 (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

#4142CF #CFCE41

analogous

#4189CF #4142CF #8741CF

triadic

#4142CF #CF4142 #42CF41

tetradic

#4142CF #CF4189 #CFCE41 #41CF87

square

#4142CF #CF4189 #CFCE41 #41CF87

split-complementary

#4142CF #CF8741 #89CF41

monochromatic

#1E1F77 #2B2BA8 #4142CF #7273DB #A3A3E8

Accessibility & contrast

On white

7.23

#4142CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4142CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142CF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142CF	#FFFFFF	#000000	##FFFFFF
##4142CF	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED3

Deuteranopia (green-blind)

#0050CC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4142cf;
/* rgb */ color: rgb(65, 66, 207);
/* oklch */ color: oklch(47.5% 0.211 274.6);

Tailwind

colors: {
  custom: {
    50: '#8877df',
    500: '#4142cf',
    950: '#000000',
  },
}

SCSS

$custom: #4142cf;
$custom-light: #8877df;
$custom-dark: #000000;

JSON

{
  "hex": "#4142cf",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 207
  },
  "hsl": {
    "h": 239.577,
    "s": 59.664,
    "l": 53.333
  },
  "oklch": {
    "l": 0.47507,
    "c": 0.21065,
    "h": 274.6
  },
  "luminance": 0.09525
}

Semantic roles & 50–950 ramp

primary

#4142CF

secondary

#D4D497

accent

#E245E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4142CF

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

Preview Lab → · Contrast checker → · Palette generator →