#3785B8#3785B8

#3785B8 is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.1% C 0.109 H 240.9°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX#3785B8
RGBrgb(55, 133, 184)
HSLhsl(204, 54%, 47%)
HSVhsv(204, 70%, 72%)
CMYKcmyk(70.1%, 27.7%, 0%, 27.8%)
CIE-LABlab(53.00, -7.07, -33.69)
CIE-LCHlch(53.00, 34.42, 258.16°)
OKLaboklab(59.13% -0.053 -0.095)
OKLCHoklch(59.13% 0.109 240.9)
XYZxyz(18.6115, 21.0459, 48.4195)
Luminance0.2105 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3785B8 #B86A37
analogous
#37B8AB #3785B8 #3745B8
triadic
#3785B8 #B83785 #85B837
tetradic
#3785B8 #AB37B8 #B86A37 #45B837
square
#3785B8 #AB37B8 #B86A37 #45B837
split-complementary
#3785B8 #B83745 #B8AB37
monochromatic
#1B415A #296389 #3785B8 #5DA2CF #8DBDDD

Accessibility & contrast

On white

4.03
#3785B8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.21
#3785B8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3785B8
5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3785B8#FFFFFF#000000##000000
##3785B81.004.035.215.21
#FFFFFF4.031.0021.0021.00
#0000005.2121.001.001.00
##0000005.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E85BA
Deuteranopia (green-blind)
#5C79B7
Tritanopia (blue-blind)
#009297
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3785b8;
/* rgb */ color: rgb(55, 133, 184);
/* oklch */ color: oklch(59.1% 0.109 240.9);
Tailwind
colors: {
  custom: {
    50: '#7da8cd',
    500: '#3785b8',
    950: '#000000',
  },
}
SCSS
$custom: #3785b8;
$custom-light: #7da8cd;
$custom-dark: #000000;
JSON
{
  "hex": "#3785b8",
  "rgb": {
    "r": 55,
    "g": 133,
    "b": 184
  },
  "hsl": {
    "h": 203.721,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.59132,
    "c": 0.10881,
    "h": 240.9
  },
  "luminance": 0.21048
}

Semantic roles & 50–950 ramp

primary
#3785B8
secondary
#C79E84
accent
#854ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3785B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3785B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva