#3786B1#3786B1

#3786B1 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.0% C 0.101 H 236.0°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3786B1
RGB	rgb(55, 134, 177)
HSL	hsl(201, 53%, 45%)
HSV	hsv(201, 69%, 69%)
CMYK	cmyk(68.9%, 24.3%, 0%, 30.6%)
CIE-LAB	lab(52.99, -10.05, -29.70)
CIE-LCH	lch(52.99, 31.35, 251.30°)
OKLab	oklab(59.02% -0.0563 -0.0835)
OKLCH	oklch(59.02% 0.101 236)
XYZ	xyz(18.0334, 21.0348, 44.6962)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B1 #B16237

analogous

#37B19F #3786B1 #3749B1

triadic

#3786B1 #B13786 #86B137

tetradic

#3786B1 #9F37B1 #B16237 #49B137

square

#3786B1 #9F37B1 #B16237 #49B137

split-complementary

#3786B1 #B13749 #B19F37

monochromatic

#1A3F54 #286382 #3786B1 #5AA3CC #88BDDA

Accessibility & contrast

On white

4.03

#3786B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3786B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B1

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B1	#FFFFFF	#000000	##000000
##3786B1	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7185B3

Deuteranopia (green-blind)

#6179B0

Tritanopia (blue-blind)

#009195

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3786b1;
/* rgb */ color: rgb(55, 134, 177);
/* oklch */ color: oklch(59.0% 0.101 236.0);

Tailwind

colors: {
  custom: {
    50: '#7ca9c8',
    500: '#3786b1',
    950: '#000000',
  },
}

SCSS

$custom: #3786b1;
$custom-light: #7ca9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b1",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 177
  },
  "hsl": {
    "h": 201.148,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.59019,
    "c": 0.10073,
    "h": 236
  },
  "luminance": 0.21037
}

Semantic roles & 50–950 ramp

primary

#3786B1

secondary

#C49880

accent

#7F4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B1

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

Preview Lab → · Contrast checker → · Palette generator →