#3C63BA#3C63BA

#3C63BA is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.7% C 0.144 H 263.9°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#3C63BA
RGB	rgb(60, 99, 186)
HSL	hsl(221, 51%, 48%)
HSV	hsv(221, 68%, 73%)
CMYK	cmyk(67.7%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.40, 15.27, -50.05)
CIE-LCH	lch(43.40, 52.33, 286.97°)
OKLab	oklab(51.73% -0.0153 -0.1433)
OKLCH	oklch(51.73% 0.144 263.9)
XYZ	xyz(15.1851, 13.4280, 48.2365)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C63BA #BA933C

analogous

#3CA2BA #3C63BA #543CBA

triadic

#3C63BA #BA3C63 #63BA3C

tetradic

#3C63BA #BA3CA2 #BA933C #3CBA54

square

#3C63BA #BA3CA2 #BA933C #3CBA54

split-complementary

#3C63BA #BA543C #A2BA3C

monochromatic

#1E325D #2D4A8C #3C63BA #6686CE #94AADC

Accessibility & contrast

On white

5.70

#3C63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3C63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C63BA

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C63BA	#FFFFFF	#000000	##FFFFFF
##3C63BA	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBD

Deuteranopia (green-blind)

#1D61B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3c63ba;
/* rgb */ color: rgb(60, 99, 186);
/* oklch */ color: oklch(51.7% 0.144 263.9);

Tailwind

colors: {
  custom: {
    50: '#808ecf',
    500: '#3c63ba',
    950: '#000000',
  },
}

SCSS

$custom: #3c63ba;
$custom-light: #808ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c63ba",
  "rgb": {
    "r": 60,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 221.429,
    "s": 51.22,
    "l": 48.235
  },
  "oklch": {
    "l": 0.51729,
    "c": 0.14409,
    "h": 263.9
  },
  "luminance": 0.1343
}

Semantic roles & 50–950 ramp

primary

#3C63BA

secondary

#C8B58A

accent

#AF4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C63BA

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

Preview Lab → · Contrast checker → · Palette generator →