#3786B7#3786B7

#3786B7 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.3% C 0.107 H 239.5°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#3786B7
RGB	rgb(55, 134, 183)
HSL	hsl(203, 54%, 47%)
HSV	hsv(203, 70%, 72%)
CMYK	cmyk(69.9%, 26.8%, 0%, 28.2%)
CIE-LAB	lab(53.25, -7.99, -32.72)
CIE-LCH	lch(53.25, 33.68, 256.28°)
OKLab	oklab(59.32% -0.0543 -0.0922)
OKLCH	oklch(59.32% 0.107 239.5)
XYZ	xyz(18.6446, 21.2793, 47.9153)
Luminance	0.2128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3786B7 #B76837

analogous

#37B7A8 #3786B7 #3746B7

triadic

#3786B7 #B73786 #86B737

tetradic

#3786B7 #A837B7 #B76837 #46B737

square

#3786B7 #A837B7 #B76837 #46B737

split-complementary

#3786B7 #B73746 #B7A837

monochromatic

#1B4159 #296488 #3786B7 #5DA3CE #8CBEDC

Accessibility & contrast

On white

4.00

#3786B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#3786B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3786B7

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3786B7	#FFFFFF	#000000	##000000
##3786B7	1.00	4.00	5.26	5.26
#FFFFFF	4.00	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)

#6F86B9

Deuteranopia (green-blind)

#5E7AB6

Tritanopia (blue-blind)

#009297

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3786b7;
/* rgb */ color: rgb(55, 134, 183);
/* oklch */ color: oklch(59.3% 0.107 239.5);

Tailwind

colors: {
  custom: {
    50: '#7da9cd',
    500: '#3786b7',
    950: '#000000',
  },
}

SCSS

$custom: #3786b7;
$custom-light: #7da9cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3786b7",
  "rgb": {
    "r": 55,
    "g": 134,
    "b": 183
  },
  "hsl": {
    "h": 202.969,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.59318,
    "c": 0.10704,
    "h": 239.5
  },
  "luminance": 0.21281
}

Semantic roles & 50–950 ramp

primary

#3786B7

secondary

#C79D83

accent

#834BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3786B7

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

Preview Lab → · Contrast checker → · Palette generator →