#3786BB#3786BB

#3786BB is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.5% C 0.111 H 241.6°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3786BB
RGB	rgb(55, 134, 187)
HSL	hsl(204, 55%, 47%)
HSV	hsv(204, 71%, 73%)
CMYK	cmyk(70.6%, 28.3%, 0%, 26.7%)
CIE-LAB	lab(53.44, -6.60, -34.73)
CIE-LCH	lch(53.44, 35.35, 259.24°)
OKLab	oklab(59.52% -0.053 -0.098)
OKLCH	oklch(59.52% 0.111 241.6)
XYZ	xyz(19.0668, 21.4482, 50.1391)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786BB #BB6C37

analogous

#37BBAE #3786BB #3744BB

triadic

#3786BB #BB3786 #86BB37

tetradic

#3786BB #AE37BB #BB6C37 #44BB37

square

#3786BB #AE37BB #BB6C37 #44BB37

split-complementary

#3786BB #BB3744 #BBAE37

monochromatic

#1B425C #29648C #3786BB #5FA3D0 #8EBEDE

Accessibility & contrast

On white

3.97

#3786BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3786BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786BB

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786BB	#FFFFFF	#000000	##000000
##3786BB	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E87BD

Deuteranopia (green-blind)

#5C7ABA

Tritanopia (blue-blind)

#009398

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3786bb;
/* rgb */ color: rgb(55, 134, 187);
/* oklch */ color: oklch(59.5% 0.111 241.6);

Tailwind

colors: {
  custom: {
    50: '#7ea9cf',
    500: '#3786bb',
    950: '#000000',
  },
}

SCSS

$custom: #3786bb;
$custom-light: #7ea9cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3786bb",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 187
  },
  "hsl": {
    "h": 204.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.59523,
    "c": 0.11145,
    "h": 241.6
  },
  "luminance": 0.2145
}

Semantic roles & 50–950 ramp

primary

#3786BB

secondary

#C9A085

accent

#854ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3786BB

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

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