#3786B9#3786B9

#3786B9 is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.4% C 0.109 H 240.6°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3786B9
RGB	rgb(55, 134, 185)
HSL	hsl(204, 54%, 47%)
HSV	hsv(204, 70%, 73%)
CMYK	cmyk(70.3%, 27.6%, 0%, 27.5%)
CIE-LAB	lab(53.34, -7.30, -33.73)
CIE-LCH	lch(53.34, 34.51, 257.79°)
OKLab	oklab(59.42% -0.0536 -0.0951)
OKLCH	oklch(59.42% 0.109 240.6)
XYZ	xyz(18.8542, 21.3631, 49.0194)
Luminance	0.2137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B9 #B96A37

analogous

#37B9AB #3786B9 #3745B9

triadic

#3786B9 #B93786 #86B937

tetradic

#3786B9 #AB37B9 #B96A37 #45B937

square

#3786B9 #AB37B9 #B96A37 #45B937

split-complementary

#3786B9 #B93745 #B9AB37

monochromatic

#1B425B #29648A #3786B9 #5EA3CF #8DBEDD

Accessibility & contrast

On white

3.98

#3786B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3786B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B9

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B9	#FFFFFF	#000000	##000000
##3786B9	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E86BB

Deuteranopia (green-blind)

#5D7AB8

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3786b9;
/* rgb */ color: rgb(55, 134, 185);
/* oklch */ color: oklch(59.4% 0.109 240.6);

Tailwind

colors: {
  custom: {
    50: '#7da9ce',
    500: '#3786b9',
    950: '#000000',
  },
}

SCSS

$custom: #3786b9;
$custom-light: #7da9ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b9",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 185
  },
  "hsl": {
    "h": 203.538,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5942,
    "c": 0.10922,
    "h": 240.6
  },
  "luminance": 0.21365
}

Semantic roles & 50–950 ramp

primary

#3786B9

secondary

#C89F84

accent

#844ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B9

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

Preview Lab → · Contrast checker → · Palette generator →