#3786B4#3786B4

#3786B4 is a mid, moderate cyan. Relative luminance 0.212; OKLCH L 59.2% C 0.104 H 237.8°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3786B4
RGB	rgb(55, 134, 180)
HSL	hsl(202, 53%, 46%)
HSV	hsv(202, 69%, 71%)
CMYK	cmyk(69.4%, 25.6%, 0%, 29.4%)
CIE-LAB	lab(53.12, -9.02, -31.21)
CIE-LCH	lch(53.12, 32.49, 253.88°)
OKLab	oklab(59.17% -0.0553 -0.0879)
OKLCH	oklch(59.17% 0.104 237.8)
XYZ	xyz(18.3357, 21.1557, 46.2883)
Luminance	0.2116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B4 #B46537

analogous

#37B4A3 #3786B4 #3747B4

triadic

#3786B4 #B43786 #86B437

tetradic

#3786B4 #A337B4 #B46537 #47B437

square

#3786B4 #A337B4 #B46537 #47B437

split-complementary

#3786B4 #B43747 #B4A337

monochromatic

#1A4056 #296385 #3786B4 #5BA3CD #8ABDDB

Accessibility & contrast

On white

4.01

#3786B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#3786B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B4

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B4	#FFFFFF	#000000	##000000
##3786B4	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7086B6

Deuteranopia (green-blind)

#5F79B3

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3786b4;
/* rgb */ color: rgb(55, 134, 180);
/* oklch */ color: oklch(59.2% 0.104 237.8);

Tailwind

colors: {
  custom: {
    50: '#7da9ca',
    500: '#3786b4',
    950: '#000000',
  },
}

SCSS

$custom: #3786b4;
$custom-light: #7da9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b4",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 180
  },
  "hsl": {
    "h": 202.08,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.59167,
    "c": 0.10383,
    "h": 237.8
  },
  "luminance": 0.21158
}

Semantic roles & 50–950 ramp

primary

#3786B4

secondary

#C69A81

accent

#814BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B4

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

Preview Lab → · Contrast checker → · Palette generator →