#4C63B0#4C63B0

#4C63B0 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.125 H 269.2°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#4C63B0
RGB	rgb(76, 99, 176)
HSL	hsl(226, 40%, 49%)
HSV	hsv(226, 57%, 69%)
CMYK	cmyk(56.8%, 43.8%, 0%, 31%)
CIE-LAB	lab(43.64, 14.76, -43.77)
CIE-LCH	lch(43.64, 46.19, 288.64°)
OKLab	oklab(51.95% -0.0017 -0.1245)
OKLCH	oklch(51.95% 0.125 269.2)
XYZ	xyz(15.2762, 13.5936, 42.8847)
Luminance	0.1359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63B0 #B0994C

analogous

#4C95B0 #4C63B0 #674CB0

triadic

#4C63B0 #B04C63 #63B04C

tetradic

#4C63B0 #B04C95 #B0994C #4CB067

square

#4C63B0 #B04C95 #B0994C #4CB067

split-complementary

#4C63B0 #B0674C #95B04C

monochromatic

#27335B #3A4B85 #4C63B0 #7688C4 #A0ADD6

Accessibility & contrast

On white

5.65

#4C63B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#4C63B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63B0

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63B0	#FFFFFF	#000000	##FFFFFF
##4C63B0	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416CB3

Deuteranopia (green-blind)

#3463AE

Tritanopia (blue-blind)

#0C7481

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4c63b0;
/* rgb */ color: rgb(76, 99, 176);
/* oklch */ color: oklch(51.9% 0.125 269.2);

Tailwind

colors: {
  custom: {
    50: '#868fc8',
    500: '#4c63b0',
    950: '#000000',
  },
}

SCSS

$custom: #4c63b0;
$custom-light: #868fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63b0",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 176
  },
  "hsl": {
    "h": 226.2,
    "s": 39.683,
    "l": 49.412
  },
  "oklch": {
    "l": 0.51948,
    "c": 0.12452,
    "h": 269.2
  },
  "luminance": 0.13595
}

Semantic roles & 50–950 ramp

primary

#4C63B0

secondary

#C3B895

accent

#B458D0

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4C63B0

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

Preview Lab → · Contrast checker → · Palette generator →