#4140CE#4140CE

#4140CE is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.1% C 0.212 H 274.9°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#4140CE
RGB	rgb(65, 64, 206)
HSL	hsl(240, 59%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(68.4%, 68.9%, 0%, 19.2%)
CIE-LAB	lab(36.45, 45.01, -72.95)
CIE-LCH	lch(36.45, 85.72, 301.67°)
OKLab	oklab(47.1% 0.0182 -0.2108)
OKLCH	oklch(47.1% 0.212 274.9)
XYZ	xyz(15.1503, 9.2454, 59.3667)
Luminance	0.0925 (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

#4140CE #CDCE40

analogous

#4086CE #4140CE #8840CE

triadic

#4140CE #CE4140 #40CE41

tetradic

#4140CE #CE4086 #CDCE40 #40CE88

square

#4140CE #CE4086 #CDCE40 #40CE88

split-complementary

#4140CE #CE8840 #86CE40

monochromatic

#1F1E75 #2C2BA6 #4140CE #7171DA #A2A1E7

Accessibility & contrast

On white

7.37

#4140CE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4140CE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140CE

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140CE	#FFFFFF	#000000	##FFFFFF
##4140CE	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD2

Deuteranopia (green-blind)

#004FCB

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4140ce;
/* rgb */ color: rgb(65, 64, 206);
/* oklch */ color: oklch(47.1% 0.212 274.9);

Tailwind

colors: {
  custom: {
    50: '#8876de',
    500: '#4140ce',
    950: '#000000',
  },
}

SCSS

$custom: #4140ce;
$custom-light: #8876de;
$custom-dark: #000000;

JSON

{
  "hex": "#4140ce",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 206
  },
  "hsl": {
    "h": 240.423,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47104,
    "c": 0.21157,
    "h": 274.9
  },
  "luminance": 0.09247
}

Semantic roles & 50–950 ramp

primary

#4140CE

secondary

#D3D496

accent

#E245E1

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140CE

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

Preview Lab → · Contrast checker → · Palette generator →