#3786B0#3786B0

#3786B0 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.100 H 235.3°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3786B0
RGB	rgb(55, 134, 176)
HSL	hsl(201, 52%, 45%)
HSV	hsv(201, 69%, 69%)
CMYK	cmyk(68.8%, 23.9%, 0%, 31%)
CIE-LAB	lab(52.94, -10.39, -29.19)
CIE-LCH	lch(52.94, 30.98, 250.40°)
OKLab	oklab(58.97% -0.0567 -0.082)
OKLCH	oklch(58.97% 0.1 235.3)
XYZ	xyz(17.9341, 20.9951, 44.1732)
Luminance	0.2100 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B0 #B06137

analogous

#37B09D #3786B0 #374AB0

triadic

#3786B0 #B03786 #86B037

tetradic

#3786B0 #9D37B0 #B06137 #4AB037

square

#3786B0 #9D37B0 #B06137 #4AB037

split-complementary

#3786B0 #B0374A #B09D37

monochromatic

#1A3F53 #286281 #3786B0 #59A4CB #88BDDA

Accessibility & contrast

On white

4.04

#3786B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#3786B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B0

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B0	#FFFFFF	#000000	##000000
##3786B0	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7285B2

Deuteranopia (green-blind)

#6179AF

Tritanopia (blue-blind)

#009194

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3786b0;
/* rgb */ color: rgb(55, 134, 176);
/* oklch */ color: oklch(59.0% 0.100 235.3);

Tailwind

colors: {
  custom: {
    50: '#7ca9c7',
    500: '#3786b0',
    950: '#000000',
  },
}

SCSS

$custom: #3786b0;
$custom-light: #7ca9c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b0",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 176
  },
  "hsl": {
    "h": 200.826,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.5897,
    "c": 0.09971,
    "h": 235.3
  },
  "luminance": 0.20997
}

Semantic roles & 50–950 ramp

primary

#3786B0

secondary

#C4977F

accent

#7E4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B0

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

Preview Lab → · Contrast checker → · Palette generator →