#3C63D3#3C63D3

#3C63D3 is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.5% C 0.178 H 266.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3C63D3
RGB	rgb(60, 99, 211)
HSL	hsl(225, 63%, 53%)
HSV	hsv(225, 72%, 83%)
CMYK	cmyk(71.6%, 53.1%, 0%, 17.3%)
CIE-LAB	lab(45.06, 24.36, -61.80)
CIE-LCH	lch(45.06, 66.43, 291.51°)
OKLab	oklab(53.52% -0.0124 -0.1779)
OKLCH	oklch(53.52% 0.178 266)
XYZ	xyz(18.0791, 14.5856, 63.4779)
Luminance	0.1459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C63D3 #D3AC3C

analogous

#3CAFD3 #3C63D3 #603CD3

triadic

#3C63D3 #D33C63 #63D33C

tetradic

#3C63D3 #D33CAF #D3AC3C #3CD360

square

#3C63D3 #D33CAF #D3AC3C #3CD360

split-complementary

#3C63D3 #D3603C #AFD33C

monochromatic

#1B3479 #2749AB #3C63D3 #6E8BDE #A0B3EA

Accessibility & contrast

On white

5.36

#3C63D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3C63D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C63D3

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C63D3	#FFFFFF	#000000	##FFFFFF
##3C63D3	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F72D7

Deuteranopia (green-blind)

#0064D1

Tritanopia (blue-blind)

#007E91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3c63d3;
/* rgb */ color: rgb(60, 99, 211);
/* oklch */ color: oklch(53.5% 0.178 266.0);

Tailwind

colors: {
  custom: {
    50: '#858ee1',
    500: '#3c63d3',
    950: '#000000',
  },
}

SCSS

$custom: #3c63d3;
$custom-light: #858ee1;
$custom-dark: #000000;

JSON

{
  "hex": "#3c63d3",
  "rgb": {
    "r": 60,
    "g": 99,
    "b": 211
  },
  "hsl": {
    "h": 224.503,
    "s": 63.18,
    "l": 53.137
  },
  "oklch": {
    "l": 0.53523,
    "c": 0.17829,
    "h": 266
  },
  "luminance": 0.14587
}

Semantic roles & 50–950 ramp

primary

#3C63D3

secondary

#D6C595

accent

#BC42E6

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3C63D3

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

Preview Lab → · Contrast checker → · Palette generator →