#3C63C8#3C63C8

#3C63C8 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.163 H 265.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3C63C8
RGB	rgb(60, 99, 200)
HSL	hsl(223, 56%, 51%)
HSV	hsv(223, 70%, 78%)
CMYK	cmyk(70%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(44.31, 20.36, -56.70)
CIE-LCH	lch(44.31, 60.24, 289.75°)
OKLab	oklab(52.71% -0.0134 -0.1628)
OKLCH	oklch(52.71% 0.163 265.3)
XYZ	xyz(16.7470, 14.0528, 56.4622)
Luminance	0.1405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C63C8 #C8A13C

analogous

#3CA9C8 #3C63C8 #5B3CC8

triadic

#3C63C8 #C83C63 #63C83C

tetradic

#3C63C8 #C83CA9 #C8A13C #3CC85B

square

#3C63C8 #C83CA9 #C8A13C #3CC85B

split-complementary

#3C63C8 #C85B3C #A9C83C

monochromatic

#1E346B #2C4B9B #3C63C8 #6C89D5 #9BAFE3

Accessibility & contrast

On white

5.51

#3C63C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3C63C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C63C8

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C63C8	#FFFFFF	#000000	##FFFFFF
##3C63C8	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2770CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3c63c8;
/* rgb */ color: rgb(60, 99, 200);
/* oklch */ color: oklch(52.7% 0.163 265.3);

Tailwind

colors: {
  custom: {
    50: '#828ed9',
    500: '#3c63c8',
    950: '#000000',
  },
}

SCSS

$custom: #3c63c8;
$custom-light: #828ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3c63c8",
  "rgb": {
    "r": 60,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 223.286,
    "s": 56,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52712,
    "c": 0.1634,
    "h": 265.3
  },
  "luminance": 0.14054
}

Semantic roles & 50–950 ramp

primary

#3C63C8

secondary

#CFBE91

accent

#B549DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3C63C8

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

Preview Lab → · Contrast checker → · Palette generator →