#3763C3#3763C3

#3763C3 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.1% C 0.158 H 263.4°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3763C3
RGB	rgb(55, 99, 195)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 76%)
CMYK	cmyk(71.8%, 49.2%, 0%, 23.5%)
CIE-LAB	lab(43.76, 17.81, -54.70)
CIE-LCH	lch(43.76, 57.53, 288.04°)
OKLab	oklab(52.13% -0.0181 -0.1571)
OKLCH	oklch(52.13% 0.158 263.4)
XYZ	xyz(15.8842, 13.6744, 53.4215)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763C3 #C39737

analogous

#37A9C3 #3763C3 #5137C3

triadic

#3763C3 #C33763 #63C337

tetradic

#3763C3 #C337A9 #C39737 #37C351

square

#3763C3 #C337A9 #C39737 #37C351

split-complementary

#3763C3 #C35137 #A9C337

monochromatic

#1C3364 #2A4B93 #3763C3 #6487D3 #94ACE1

Accessibility & contrast

On white

5.62

#3763C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3763C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763C3

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763C3	#FFFFFF	#000000	##FFFFFF
##3763C3	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6EC7

Deuteranopia (green-blind)

#0061C1

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3763c3;
/* rgb */ color: rgb(55, 99, 195);
/* oklch */ color: oklch(52.1% 0.158 263.4);

Tailwind

colors: {
  custom: {
    50: '#7f8ed6',
    500: '#3763c3',
    950: '#000000',
  },
}

SCSS

$custom: #3763c3;
$custom-light: #7f8ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3763c3",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 195
  },
  "hsl": {
    "h": 221.143,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52131,
    "c": 0.15812,
    "h": 263.4
  },
  "luminance": 0.13676
}

Semantic roles & 50–950 ramp

primary

#3763C3

secondary

#CCB78A

accent

#B049DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3763C3

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

Preview Lab → · Contrast checker → · Palette generator →