#3763A9#3763A9

#3763A9 is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.4% C 0.122 H 259.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3763A9
RGB	rgb(55, 99, 169)
HSL	hsl(217, 51%, 44%)
HSV	hsv(217, 67%, 66%)
CMYK	cmyk(67.5%, 41.4%, 0%, 33.7%)
CIE-LAB	lab(42.15, 8.25, -42.09)
CIE-LCH	lch(42.15, 42.89, 281.08°)
OKLab	oklab(50.38% -0.0226 -0.12)
OKLCH	oklch(50.38% 0.122 259.3)
XYZ	xyz(13.1963, 12.5992, 39.2649)
Luminance	0.1260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763A9 #A97D37

analogous

#379CA9 #3763A9 #4437A9

triadic

#3763A9 #A93763 #63A937

tetradic

#3763A9 #A9379C #A97D37 #37A944

square

#3763A9 #A9379C #A97D37 #37A944

split-complementary

#3763A9 #A94437 #9CA937

monochromatic

#192D4D #28487B #3763A9 #5582C8 #84A4D7

Accessibility & contrast

On white

5.97

#3763A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3763A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763A9

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763A9	#FFFFFF	#000000	##FFFFFF
##3763A9	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4369AC

Deuteranopia (green-blind)

#315FA8

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3763a9;
/* rgb */ color: rgb(55, 99, 169);
/* oklch */ color: oklch(50.4% 0.122 259.3);

Tailwind

colors: {
  custom: {
    50: '#7a8ec3',
    500: '#3763a9',
    950: '#000000',
  },
}

SCSS

$custom: #3763a9;
$custom-light: #7a8ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#3763a9",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 169
  },
  "hsl": {
    "h": 216.842,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50375,
    "c": 0.12212,
    "h": 259.3
  },
  "luminance": 0.126
}

Semantic roles & 50–950 ramp

primary

#3763A9

secondary

#C0A67B

accent

#A44DDA

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3763A9

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

Preview Lab → · Contrast checker → · Palette generator →