#3764C3#3764C3

#3764C3 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.157 H 263.0°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3764C3
RGB	rgb(55, 100, 195)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 76%)
CMYK	cmyk(71.8%, 48.7%, 0%, 23.5%)
CIE-LAB	lab(44.04, 17.17, -54.26)
CIE-LCH	lch(44.04, 56.91, 287.56°)
OKLab	oklab(52.34% -0.019 -0.1557)
OKLCH	oklch(52.34% 0.157 263)
XYZ	xyz(15.9795, 13.8650, 53.4532)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764C3 #C39637

analogous

#37AAC3 #3764C3 #5037C3

triadic

#3764C3 #C33764 #64C337

tetradic

#3764C3 #C337AA #C39637 #37C350

square

#3764C3 #C337AA #C39637 #37C350

split-complementary

#3764C3 #C35037 #AAC337

monochromatic

#1C3364 #2A4C93 #3764C3 #6488D3 #94ACE1

Accessibility & contrast

On white

5.57

#3764C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3764C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764C3

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764C3	#FFFFFF	#000000	##FFFFFF
##3764C3	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6FC6

Deuteranopia (green-blind)

#0062C1

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3764c3;
/* rgb */ color: rgb(55, 100, 195);
/* oklch */ color: oklch(52.3% 0.157 263.0);

Tailwind

colors: {
  custom: {
    50: '#7f8fd6',
    500: '#3764c3',
    950: '#000000',
  },
}

SCSS

$custom: #3764c3;
$custom-light: #7f8fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3764c3",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 195
  },
  "hsl": {
    "h": 220.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52342,
    "c": 0.1569,
    "h": 263
  },
  "luminance": 0.13867
}

Semantic roles & 50–950 ramp

primary

#3764C3

secondary

#CCB78A

accent

#AF49DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3764C3

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

Preview Lab → · Contrast checker → · Palette generator →