#4143C7#4143C7

#4143C7 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.9% C 0.199 H 274.9°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#4143C7
RGB	rgb(65, 67, 199)
HSL	hsl(239, 54%, 52%)
HSV	hsv(239, 67%, 78%)
CMYK	cmyk(67.3%, 66.3%, 0%, 22%)
CIE-LAB	lab(36.48, 40.91, -68.84)
CIE-LCH	lch(36.48, 80.08, 300.72°)
OKLab	oklab(46.93% 0.017 -0.1987)
OKLCH	oklch(46.93% 0.199 274.9)
XYZ	xyz(14.4925, 9.2603, 55.0454)
Luminance	0.0926 (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

#4143C7 #C7C541

analogous

#4186C7 #4143C7 #8241C7

triadic

#4143C7 #C74143 #43C741

tetradic

#4143C7 #C74186 #C7C541 #41C782

square

#4143C7 #C74186 #C7C541 #41C782

split-complementary

#4143C7 #C78241 #86C741

monochromatic

#20216D #2E309D #4143C7 #7072D5 #A0A1E3

Accessibility & contrast

On white

7.36

#4143C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#4143C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4143C7

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4143C7	#FFFFFF	#000000	##FFFFFF
##4143C7	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCB

Deuteranopia (green-blind)

#0050C4

Tritanopia (blue-blind)

#00667F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4143c7;
/* rgb */ color: rgb(65, 67, 199);
/* oklch */ color: oklch(46.9% 0.199 274.9);

Tailwind

colors: {
  custom: {
    50: '#8678d9',
    500: '#4143c7',
    950: '#000000',
  },
}

SCSS

$custom: #4143c7;
$custom-light: #8678d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4143c7",
  "rgb": {
    "r": 65,
    "g": 67,
    "b": 199
  },
  "hsl": {
    "h": 239.104,
    "s": 54.472,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46932,
    "c": 0.19947,
    "h": 274.9
  },
  "luminance": 0.09262
}

Semantic roles & 50–950 ramp

primary

#4143C7

secondary

#CFCE95

accent

#DC4ADE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4143C7

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

Preview Lab → · Contrast checker → · Palette generator →