#4140C8#4140C8

#4140C8 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.5% C 0.204 H 275.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4140C8
RGB	rgb(65, 64, 200)
HSL	hsl(240, 55%, 52%)
HSV	hsv(240, 68%, 78%)
CMYK	cmyk(67.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(35.91, 43.03, -70.37)
CIE-LCH	lch(35.91, 82.48, 301.45°)
OKLab	oklab(46.54% 0.0189 -0.2032)
OKLCH	oklch(46.54% 0.204 275.3)
XYZ	xyz(14.4353, 8.9594, 55.6010)
Luminance	0.0896 (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

#4140C8 #C7C840

analogous

#4083C8 #4140C8 #8540C8

triadic

#4140C8 #C84140 #40C841

tetradic

#4140C8 #C84083 #C7C840 #40C885

square

#4140C8 #C84083 #C7C840 #40C885

split-complementary

#4140C8 #C88540 #83C840

monochromatic

#20206E #2E2D9D #4140C8 #7070D6 #A09FE3

Accessibility & contrast

On white

7.52

#4140C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4140C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140C8

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140C8	#FFFFFF	#000000	##FFFFFF
##4140C8	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCC

Deuteranopia (green-blind)

#004EC5

Tritanopia (blue-blind)

#00657F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4140c8;
/* rgb */ color: rgb(65, 64, 200);
/* oklch */ color: oklch(46.5% 0.204 275.3);

Tailwind

colors: {
  custom: {
    50: '#8776da',
    500: '#4140c8',
    950: '#000000',
  },
}

SCSS

$custom: #4140c8;
$custom-light: #8776da;
$custom-dark: #000000;

JSON

{
  "hex": "#4140c8",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 240.441,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46544,
    "c": 0.2041,
    "h": 275.3
  },
  "luminance": 0.08961
}

Semantic roles & 50–950 ramp

primary

#4140C8

secondary

#CFD094

accent

#DF49DE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140C8

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

Preview Lab → · Contrast checker → · Palette generator →