#4C63DF#4C63DF

#4C63DF is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.2% C 0.190 H 270.9°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4C63DF
RGB	rgb(76, 99, 223)
HSL	hsl(231, 70%, 59%)
HSV	hsv(231, 66%, 87%)
CMYK	cmyk(65.9%, 55.6%, 0%, 12.5%)
CIE-LAB	lab(46.69, 30.88, -65.95)
CIE-LCH	lch(46.69, 72.82, 295.09°)
OKLab	oklab(55.23% 0.0031 -0.1897)
OKLCH	oklch(55.23% 0.19 270.9)
XYZ	xyz(20.7571, 15.7860, 71.7508)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63DF #DFC84C

analogous

#4CACDF #4C63DF #7E4CDF

triadic

#4C63DF #DF4C63 #63DF4C

tetradic

#4C63DF #DF4CAC #DFC84C #4CDF7E

square

#4C63DF #DF4CAC #DFC84C #4CDF7E

split-complementary

#4C63DF #DF7E4C #ACDF4C

monochromatic

#1B2E96 #243ECA #4C63DF #8090E8 #B4BDF2

Accessibility & contrast

On white

5.05

#4C63DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4C63DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63DF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63DF	#FFFFFF	#000000	##FFFFFF
##4C63DF	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E3

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4c63df;
/* rgb */ color: rgb(76, 99, 223);
/* oklch */ color: oklch(55.2% 0.190 270.9);

Tailwind

colors: {
  custom: {
    50: '#8e8fea',
    500: '#4c63df',
    950: '#000000',
  },
}

SCSS

$custom: #4c63df;
$custom-light: #8e8fea;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63df",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 223
  },
  "hsl": {
    "h": 230.612,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.5523,
    "c": 0.18976,
    "h": 270.9
  },
  "luminance": 0.15788
}

Semantic roles & 50–950 ramp

primary

#4C63DF

secondary

#E0D7A6

accent

#D13BEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4C63DF

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

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