#4140CA#4140CA

#4140CA is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.207 H 275.2°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#4140CA
RGB	rgb(65, 64, 202)
HSL	hsl(240, 57%, 52%)
HSV	hsv(240, 68%, 79%)
CMYK	cmyk(67.8%, 68.3%, 0%, 20.8%)
CIE-LAB	lab(36.09, 43.69, -71.23)
CIE-LCH	lch(36.09, 83.57, 301.53°)
OKLab	oklab(46.73% 0.0187 -0.2058)
OKLCH	oklch(46.73% 0.207 275.2)
XYZ	xyz(14.6705, 9.0535, 56.8400)
Luminance	0.0906 (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

#4140CA #C9CA40

analogous

#4084CA #4140CA #8640CA

triadic

#4140CA #CA4140 #40CA41

tetradic

#4140CA #CA4084 #C9CA40 #40CA86

square

#4140CA #CA4084 #C9CA40 #40CA86

split-complementary

#4140CA #CA8640 #84CA40

monochromatic

#201F70 #2D2CA0 #4140CA #7170D7 #A0A0E5

Accessibility & contrast

On white

7.47

#4140CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4140CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140CA

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140CA	#FFFFFF	#000000	##FFFFFF
##4140CA	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCE

Deuteranopia (green-blind)

#004FC7

Tritanopia (blue-blind)

#006580

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4140ca;
/* rgb */ color: rgb(65, 64, 202);
/* oklch */ color: oklch(46.7% 0.207 275.2);

Tailwind

colors: {
  custom: {
    50: '#8776db',
    500: '#4140ca',
    950: '#000000',
  },
}

SCSS

$custom: #4140ca;
$custom-light: #8776db;
$custom-dark: #000000;

JSON

{
  "hex": "#4140ca",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 202
  },
  "hsl": {
    "h": 240.435,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.46729,
    "c": 0.20661,
    "h": 275.2
  },
  "luminance": 0.09055
}

Semantic roles & 50–950 ramp

primary

#4140CA

secondary

#D1D195

accent

#E048DF

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140CA

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

Preview Lab → · Contrast checker → · Palette generator →