#3763AD#3763AD

#3763AD is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.6% C 0.128 H 260.2°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3763AD
RGB	rgb(55, 99, 173)
HSL	hsl(218, 52%, 45%)
HSV	hsv(218, 68%, 68%)
CMYK	cmyk(68.2%, 42.8%, 0%, 32.2%)
CIE-LAB	lab(42.39, 9.71, -44.08)
CIE-LCH	lch(42.39, 45.13, 282.42°)
OKLab	oklab(50.63% -0.0218 -0.1258)
OKLCH	oklch(50.63% 0.128 260.2)
XYZ	xyz(13.5775, 12.7517, 41.2728)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763AD #AD8137

analogous

#379EAD #3763AD #4637AD

triadic

#3763AD #AD3763 #63AD37

tetradic

#3763AD #AD379E #AD8137 #37AD46

square

#3763AD #AD379E #AD8137 #37AD46

split-complementary

#3763AD #AD4637 #9EAD37

monochromatic

#192E50 #28487F #3763AD #5782CA #86A5D8

Accessibility & contrast

On white

5.91

#3763AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3763AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763AD

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763AD	#FFFFFF	#000000	##FFFFFF
##3763AD	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AB0

Deuteranopia (green-blind)

#2D5FAB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3763ad;
/* rgb */ color: rgb(55, 99, 173);
/* oklch */ color: oklch(50.6% 0.128 260.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ec6',
    500: '#3763ad',
    950: '#000000',
  },
}

SCSS

$custom: #3763ad;
$custom-light: #7b8ec6;
$custom-dark: #000000;

JSON

{
  "hex": "#3763ad",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 173
  },
  "hsl": {
    "h": 217.627,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50631,
    "c": 0.1277,
    "h": 260.2
  },
  "luminance": 0.12753
}

Semantic roles & 50–950 ramp

primary

#3763AD

secondary

#C2A97D

accent

#A64DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3763AD

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

Preview Lab → · Contrast checker → · Palette generator →