#4142CA#4142CA

#4142CA is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.0% C 0.204 H 274.9°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#4142CA
RGB	rgb(65, 66, 202)
HSL	hsl(240, 56%, 52%)
HSV	hsv(240, 68%, 79%)
CMYK	cmyk(67.8%, 67.3%, 0%, 20.8%)
CIE-LAB	lab(36.52, 42.51, -70.52)
CIE-LCH	lch(36.52, 82.34, 301.08°)
OKLab	oklab(47.04% 0.0174 -0.2037)
OKLCH	oklch(47.04% 0.204 274.9)
XYZ	xyz(14.7853, 9.2832, 56.8783)
Luminance	0.0929 (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

#4142CA #CAC941

analogous

#4187CA #4142CA #8541CA

triadic

#4142CA #CA4142 #42CA41

tetradic

#4142CA #CA4187 #CAC941 #41CA85

square

#4142CA #CA4187 #CAC941 #41CA85

split-complementary

#4142CA #CA8541 #87CA41

monochromatic

#202071 #2D2EA1 #4142CA #7172D7 #A1A1E5

Accessibility & contrast

On white

7.35

#4142CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4142CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4142CA

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4142CA	#FFFFFF	#000000	##FFFFFF
##4142CA	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCE

Deuteranopia (green-blind)

#0050C7

Tritanopia (blue-blind)

#006680

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4142ca;
/* rgb */ color: rgb(65, 66, 202);
/* oklch */ color: oklch(47.0% 0.204 274.9);

Tailwind

colors: {
  custom: {
    50: '#8777db',
    500: '#4142ca',
    950: '#000000',
  },
}

SCSS

$custom: #4142ca;
$custom-light: #8777db;
$custom-dark: #000000;

JSON

{
  "hex": "#4142ca",
  "rgb": {
    "r": 65,
    "g": 66,
    "b": 202
  },
  "hsl": {
    "h": 239.562,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.47045,
    "c": 0.2044,
    "h": 274.9
  },
  "luminance": 0.09285
}

Semantic roles & 50–950 ramp

primary

#4142CA

secondary

#D1D196

accent

#DF48E0

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4142CA

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

Preview Lab → · Contrast checker → · Palette generator →