#3C63BB#3C63BB

#3C63BB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.145 H 264.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3C63BB
RGB	rgb(60, 99, 187)
HSL	hsl(222, 51%, 48%)
HSV	hsv(222, 68%, 73%)
CMYK	cmyk(67.9%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(43.46, 15.63, -50.53)
CIE-LCH	lch(43.46, 52.89, 287.19°)
OKLab	oklab(51.8% -0.0151 -0.1447)
OKLCH	oklch(51.8% 0.145 264)
XYZ	xyz(15.2918, 13.4707, 48.7983)
Luminance	0.1347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C63BB #BB943C

analogous

#3CA2BB #3C63BB #543CBB

triadic

#3C63BB #BB3C63 #63BB3C

tetradic

#3C63BB #BB3CA2 #BB943C #3CBB54

square

#3C63BB #BB3CA2 #BB943C #3CBB54

split-complementary

#3C63BB #BB543C #A2BB3C

monochromatic

#1E325E #2D4A8D #3C63BB #6686CE #95ABDD

Accessibility & contrast

On white

5.68

#3C63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3C63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C63BB

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C63BB	#FFFFFF	#000000	##FFFFFF
##3C63BB	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366DBE

Deuteranopia (green-blind)

#1B61B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3c63bb;
/* rgb */ color: rgb(60, 99, 187);
/* oklch */ color: oklch(51.8% 0.145 264.0);

Tailwind

colors: {
  custom: {
    50: '#808ed0',
    500: '#3c63bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c63bb;
$custom-light: #808ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c63bb",
  "rgb": {
    "r": 60,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 221.575,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51797,
    "c": 0.14549,
    "h": 264
  },
  "luminance": 0.13472
}

Semantic roles & 50–950 ramp

primary

#3C63BB

secondary

#C8B58B

accent

#AF4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C63BB

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

Preview Lab → · Contrast checker → · Palette generator →