#4C63BF#4C63BF

#4C63BF is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.146 H 270.2°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4C63BF
RGB	rgb(76, 99, 191)
HSL	hsl(228, 47%, 52%)
HSV	hsv(228, 60%, 75%)
CMYK	cmyk(60.2%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(44.55, 19.86, -51.07)
CIE-LCH	lch(44.55, 54.80, 291.25°)
OKLab	oklab(52.93% 0.0006 -0.146)
OKLCH	oklch(52.93% 0.146 270.2)
XYZ	xyz(16.8432, 14.2204, 51.1373)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C63BF #BFA84C

analogous

#4C9DBF #4C63BF #6F4CBF

triadic

#4C63BF #BF4C63 #63BF4C

tetradic

#4C63BF #BF4C9D #BFA84C #4CBF6F

square

#4C63BF #BF4C9D #BFA84C #4CBF6F

split-complementary

#4C63BF #BF6F4C #9DBF4C

monochromatic

#26346B #364A98 #4C63BF #798ACF #A6B2DF

Accessibility & contrast

On white

5.46

#4C63BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#4C63BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C63BF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C63BF	#FFFFFF	#000000	##FFFFFF
##4C63BF	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#2165BD

Tritanopia (blue-blind)

#007888

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4c63bf;
/* rgb */ color: rgb(76, 99, 191);
/* oklch */ color: oklch(52.9% 0.146 270.2);

Tailwind

colors: {
  custom: {
    50: '#888fd3',
    500: '#4c63bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c63bf;
$custom-light: #888fd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c63bf",
  "rgb": {
    "r": 76,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 228,
    "s": 47.325,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52929,
    "c": 0.14596,
    "h": 270.2
  },
  "luminance": 0.14222
}

Semantic roles & 50–950 ramp

primary

#4C63BF

secondary

#CCC29A

accent

#BC51D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4C63BF

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

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