#3776D0#3776D0

#3776D0 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.1% C 0.153 H 257.8°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3776D0
RGB	rgb(55, 118, 208)
HSL	hsl(215, 62%, 52%)
HSV	hsv(215, 74%, 82%)
CMYK	cmyk(73.6%, 43.3%, 0%, 18.4%)
CIE-LAB	lab(49.88, 10.59, -52.33)
CIE-LCH	lch(49.88, 53.39, 281.44°)
OKLab	oklab(57.1% -0.0325 -0.1498)
OKLCH	oklch(57.1% 0.153 257.8)
XYZ	xyz(19.4350, 18.3210, 62.1743)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3776D0 #D09137

analogous

#37C3D0 #3776D0 #4537D0

triadic

#3776D0 #D03776 #76D037

tetradic

#3776D0 #D037C3 #D09137 #37D045

square

#3776D0 #D037C3 #D09137 #37D045

split-complementary

#3776D0 #D04537 #C3D037

monochromatic

#1B3F72 #265AA3 #3776D0 #6998DC #9ABAE7

Accessibility & contrast

On white

4.50

#3776D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3776D0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3776D0

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3776D0	#FFFFFF	#000000	##000000
##3776D0	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ED3

Deuteranopia (green-blind)

#2D70CE

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3776d0;
/* rgb */ color: rgb(55, 118, 208);
/* oklch */ color: oklch(57.1% 0.153 257.8);

Tailwind

colors: {
  custom: {
    50: '#819cdf',
    500: '#3776d0',
    950: '#000000',
  },
}

SCSS

$custom: #3776d0;
$custom-light: #819cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3776d0",
  "rgb": {
    "r": 55,
    "g": 118,
    "b": 208
  },
  "hsl": {
    "h": 215.294,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57099,
    "c": 0.15325,
    "h": 257.8
  },
  "luminance": 0.18323
}

Semantic roles & 50–950 ramp

primary

#3776D0

secondary

#D3B790

accent

#A243E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #3776D0

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

Preview Lab → · Contrast checker → · Palette generator →