#4140CF#4140CF

#4140CF is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.2% C 0.213 H 274.9°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#4140CF
RGB	rgb(65, 64, 207)
HSL	hsl(240, 60%, 53%)
HSV	hsv(240, 69%, 81%)
CMYK	cmyk(68.6%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(36.54, 45.34, -73.38)
CIE-LCH	lch(36.54, 86.26, 301.71°)
OKLab	oklab(47.2% 0.018 -0.212)
OKLCH	oklch(47.2% 0.213 274.9)
XYZ	xyz(15.2721, 9.2942, 60.0085)
Luminance	0.0930 (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

#4140CF #CECF40

analogous

#4086CF #4140CF #8940CF

triadic

#4140CF #CF4140 #40CF41

tetradic

#4140CF #CF4086 #CECF40 #40CF89

square

#4140CF #CF4086 #CECF40 #40CF89

split-complementary

#4140CF #CF8940 #86CF40

monochromatic

#1E1E77 #2B2AA8 #4140CF #7271DB #A2A2E8

Accessibility & contrast

On white

7.34

#4140CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4140CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4140CF

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4140CF	#FFFFFF	#000000	##FFFFFF
##4140CF	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#004FCC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4140cf;
/* rgb */ color: rgb(65, 64, 207);
/* oklch */ color: oklch(47.2% 0.213 274.9);

Tailwind

colors: {
  custom: {
    50: '#8876df',
    500: '#4140cf',
    950: '#000000',
  },
}

SCSS

$custom: #4140cf;
$custom-light: #8876df;
$custom-dark: #000000;

JSON

{
  "hex": "#4140cf",
  "rgb": {
    "r": 65,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 240.42,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47198,
    "c": 0.2128,
    "h": 274.9
  },
  "luminance": 0.09296
}

Semantic roles & 50–950 ramp

primary

#4140CF

secondary

#D4D497

accent

#E345E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4140CF

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

Preview Lab → · Contrast checker → · Palette generator →