#3786BC#3786BC

#3786BC is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.6% C 0.113 H 242.1°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3786BC
RGB	rgb(55, 134, 188)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 74%)
CMYK	cmyk(70.7%, 28.7%, 0%, 26.3%)
CIE-LAB	lab(53.48, -6.25, -35.22)
CIE-LCH	lch(53.48, 35.77, 259.94°)
OKLab	oklab(59.58% -0.0527 -0.0995)
OKLCH	oklch(59.58% 0.113 242.1)
XYZ	xyz(19.1742, 21.4911, 50.7049)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786BC #BC6D37

analogous

#37BCB0 #3786BC #3743BC

triadic

#3786BC #BC3786 #86BC37

tetradic

#3786BC #B037BC #BC6D37 #43BC37

square

#3786BC #B037BC #BC6D37 #43BC37

split-complementary

#3786BC #BC3743 #BCB037

monochromatic

#1B435D #29648D #3786BC #60A3D0 #8FBEDE

Accessibility & contrast

On white

3.96

#3786BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3786BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786BC

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786BC	#FFFFFF	#000000	##000000
##3786BC	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D87BE

Deuteranopia (green-blind)

#5B7ABB

Tritanopia (blue-blind)

#009399

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3786bc;
/* rgb */ color: rgb(55, 134, 188);
/* oklch */ color: oklch(59.6% 0.113 242.1);

Tailwind

colors: {
  custom: {
    50: '#7ea9d0',
    500: '#3786bc',
    950: '#000000',
  },
}

SCSS

$custom: #3786bc;
$custom-light: #7ea9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3786bc",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 188
  },
  "hsl": {
    "h": 204.361,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.59575,
    "c": 0.11258,
    "h": 242.1
  },
  "luminance": 0.21493
}

Semantic roles & 50–950 ramp

primary

#3786BC

secondary

#C9A186

accent

#864ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3786BC

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

Preview Lab → · Contrast checker → · Palette generator →