#3763AC#3763AC

#3763AC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.126 H 260.0°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#3763AC
RGB	rgb(55, 99, 172)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 67%)
CMYK	cmyk(68%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(42.33, 9.34, -43.58)
CIE-LCH	lch(42.33, 44.57, 282.10°)
OKLab	oklab(50.57% -0.022 -0.1244)
OKLCH	oklch(50.57% 0.126 260)
XYZ	xyz(13.4811, 12.7131, 40.7651)
Luminance	0.1271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763AC #AC8037

analogous

#379EAC #3763AC #4637AC

triadic

#3763AC #AC3763 #63AC37

tetradic

#3763AC #AC379E #AC8037 #37AC46

square

#3763AC #AC379E #AC8037 #37AC46

split-complementary

#3763AC #AC4637 #9EAC37

monochromatic

#192E4F #28487E #3763AC #5782C9 #85A4D8

Accessibility & contrast

On white

5.93

#3763AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#3763AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763AC

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763AC	#FFFFFF	#000000	##FFFFFF
##3763AC	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416AAF

Deuteranopia (green-blind)

#2E5FAB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3763ac;
/* rgb */ color: rgb(55, 99, 172);
/* oklch */ color: oklch(50.6% 0.126 260.0);

Tailwind

colors: {
  custom: {
    50: '#7b8ec5',
    500: '#3763ac',
    950: '#000000',
  },
}

SCSS

$custom: #3763ac;
$custom-light: #7b8ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3763ac",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 217.436,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50567,
    "c": 0.1263,
    "h": 260
  },
  "luminance": 0.12714
}

Semantic roles & 50–950 ramp

primary

#3763AC

secondary

#C2A87D

accent

#A64DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3763AC

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

Preview Lab → · Contrast checker → · Palette generator →