#4140C9#4140C9

#4140C9 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.6% C 0.205 H 275.3°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#4140C9
RGB	rgb(65, 64, 201)
HSL	hsl(240, 56%, 52%)
HSV	hsv(240, 68%, 79%)
CMYK	cmyk(67.7%, 68.2%, 0%, 21.2%)
CIE-LAB	lab(36.00, 43.36, -70.80)
CIE-LCH	lch(36.00, 83.02, 301.49°)
OKLab	oklab(46.64% 0.0188 -0.2045)
OKLCH	oklch(46.64% 0.205 275.3)
XYZ	xyz(14.5525, 9.0063, 56.2185)
Luminance	0.0901 (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

#4140C9 #C8C940

analogous

#4084C9 #4140C9 #8640C9

triadic

#4140C9 #C94140 #40C941

tetradic

#4140C9 #C94084 #C8C940 #40C986

square

#4140C9 #C94084 #C8C940 #40C986

split-complementary

#4140C9 #C98640 #84C940

monochromatic

#201F6F #2E2D9F #4140C9 #7070D6 #A09FE4

Accessibility & contrast

On white

7.50

#4140C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4140C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140C9

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140C9	#FFFFFF	#000000	##FFFFFF
##4140C9	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCD

Deuteranopia (green-blind)

#004EC6

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4140c9;
/* rgb */ color: rgb(65, 64, 201);
/* oklch */ color: oklch(46.6% 0.205 275.3);

Tailwind

colors: {
  custom: {
    50: '#8776db',
    500: '#4140c9',
    950: '#000000',
  },
}

SCSS

$custom: #4140c9;
$custom-light: #8776db;
$custom-dark: #000000;

JSON

{
  "hex": "#4140c9",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 201
  },
  "hsl": {
    "h": 240.438,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.46636,
    "c": 0.20535,
    "h": 275.3
  },
  "luminance": 0.09008
}

Semantic roles & 50–950 ramp

primary

#4140C9

secondary

#D0D094

accent

#DF49DE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140C9

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

Preview Lab → · Contrast checker → · Palette generator →