#3776CF#3776CF

#3776CF is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.0% C 0.152 H 257.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3776CF
RGB	rgb(55, 118, 207)
HSL	hsl(215, 61%, 51%)
HSV	hsv(215, 73%, 81%)
CMYK	cmyk(73.4%, 43%, 0%, 18.8%)
CIE-LAB	lab(49.82, 10.22, -51.86)
CIE-LCH	lch(49.82, 52.86, 281.15°)
OKLab	oklab(57.03% -0.0327 -0.1484)
OKLCH	oklch(57.03% 0.152 257.6)
XYZ	xyz(19.3123, 18.2719, 61.5284)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3776CF #CF9037

analogous

#37C2CF #3776CF #4437CF

triadic

#3776CF #CF3776 #76CF37

tetradic

#3776CF #CF37C2 #CF9037 #37CF44

square

#3776CF #CF37C2 #CF9037 #37CF44

split-complementary

#3776CF #CF4437 #C2CF37

monochromatic

#1B3E71 #275AA2 #3776CF #6898DB #9ABAE7

Accessibility & contrast

On white

4.51

#3776CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3776CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3776CF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3776CF	#FFFFFF	#000000	##000000
##3776CF	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A7ED2

Deuteranopia (green-blind)

#2E70CD

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3776cf;
/* rgb */ color: rgb(55, 118, 207);
/* oklch */ color: oklch(57.0% 0.152 257.6);

Tailwind

colors: {
  custom: {
    50: '#819cde',
    500: '#3776cf',
    950: '#000000',
  },
}

SCSS

$custom: #3776cf;
$custom-light: #819cde;
$custom-dark: #000000;

JSON

{
  "hex": "#3776cf",
  "rgb": {
    "r": 55,
    "g": 118,
    "b": 207
  },
  "hsl": {
    "h": 215.132,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57034,
    "c": 0.15192,
    "h": 257.6
  },
  "luminance": 0.18274
}

Semantic roles & 50–950 ramp

primary

#3776CF

secondary

#D2B78F

accent

#A243E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3776CF

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

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