#3786B8#3786B8

#3786B8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.4% C 0.108 H 240.1°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3786B8
RGB	rgb(55, 134, 184)
HSL	hsl(203, 54%, 47%)
HSV	hsv(203, 70%, 72%)
CMYK	cmyk(70.1%, 27.2%, 0%, 27.8%)
CIE-LAB	lab(53.30, -7.64, -33.22)
CIE-LCH	lch(53.30, 34.09, 257.05°)
OKLab	oklab(59.37% -0.054 -0.0937)
OKLCH	oklch(59.37% 0.108 240.1)
XYZ	xyz(18.7490, 21.3211, 48.4654)
Luminance	0.2132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B8 #B86937

analogous

#37B8AA #3786B8 #3745B8

triadic

#3786B8 #B83786 #86B837

tetradic

#3786B8 #AA37B8 #B86937 #45B837

square

#3786B8 #AA37B8 #B86937 #45B837

split-complementary

#3786B8 #B83745 #B8AA37

monochromatic

#1B415A #296489 #3786B8 #5DA3CF #8DBEDD

Accessibility & contrast

On white

3.99

#3786B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3786B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B8

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B8	#FFFFFF	#000000	##000000
##3786B8	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F86BA

Deuteranopia (green-blind)

#5D7AB7

Tritanopia (blue-blind)

#009397

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3786b8;
/* rgb */ color: rgb(55, 134, 184);
/* oklch */ color: oklch(59.4% 0.108 240.1);

Tailwind

colors: {
  custom: {
    50: '#7da9cd',
    500: '#3786b8',
    950: '#000000',
  },
}

SCSS

$custom: #3786b8;
$custom-light: #7da9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b8",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 184
  },
  "hsl": {
    "h": 203.256,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59369,
    "c": 0.10812,
    "h": 240.1
  },
  "luminance": 0.21323
}

Semantic roles & 50–950 ramp

primary

#3786B8

secondary

#C79E84

accent

#834ADD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B8

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

Preview Lab → · Contrast checker → · Palette generator →