#3763CC#3763CC

#3763CC is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.170 H 264.2°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3763CC
RGB	rgb(55, 99, 204)
HSL	hsl(222, 59%, 51%)
HSV	hsv(222, 73%, 80%)
CMYK	cmyk(73%, 51.5%, 0%, 20%)
CIE-LAB	lab(44.37, 21.14, -58.92)
CIE-LCH	lch(44.37, 62.60, 289.74°)
OKLab	oklab(52.79% -0.0171 -0.1695)
OKLCH	oklch(52.79% 0.17 264.2)
XYZ	xyz(16.9326, 14.0937, 58.9430)
Luminance	0.1410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763CC #CCA037

analogous

#37ADCC #3763CC #5537CC

triadic

#3763CC #CC3763 #63CC37

tetradic

#3763CC #CC37AD #CCA037 #37CC55

square

#3763CC #CC37AD #CCA037 #37CC55

split-complementary

#3763CC #CC5537 #ADCC37

monochromatic

#1C346D #284B9E #3763CC #6889D8 #99AFE5

Accessibility & contrast

On white

5.50

#3763CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3763CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763CC

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763CC	#FFFFFF	#000000	##FFFFFF
##3763CC	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F70D0

Deuteranopia (green-blind)

#0062CA

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3763cc;
/* rgb */ color: rgb(55, 99, 204);
/* oklch */ color: oklch(52.8% 0.170 264.2);

Tailwind

colors: {
  custom: {
    50: '#818edc',
    500: '#3763cc',
    950: '#000000',
  },
}

SCSS

$custom: #3763cc;
$custom-light: #818edc;
$custom-dark: #000000;

JSON

{
  "hex": "#3763cc",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 204
  },
  "hsl": {
    "h": 222.282,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.17033,
    "h": 264.2
  },
  "luminance": 0.14096
}

Semantic roles & 50–950 ramp

primary

#3763CC

secondary

#D0BD8E

accent

#B445E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3763CC

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

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