#3B90D0#3B90D0

#3B90D0 is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.1% C 0.126 H 244.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX#3B90D0
RGBrgb(59, 144, 208)
HSLhsl(206, 61%, 52%)
HSVhsv(206, 72%, 82%)
CMYKcmyk(71.6%, 30.8%, 0%, 18.4%)
CIE-LABlab(57.49, -4.48, -40.26)
CIE-LCHlch(57.49, 40.51, 263.65°)
OKLaboklab(63.08% -0.0539 -0.114)
OKLCHoklch(63.08% 0.126 244.7)
XYZxyz(23.1577, 25.4278, 63.3499)
Luminance0.2543 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B90D0 #D07B3B
analogous
#3BD0C6 #3B90D0 #3B45D0
triadic
#3B90D0 #D03B90 #90D03B
tetradic
#3B90D0 #C63BD0 #D07B3B #45D03B
square
#3B90D0 #C63BD0 #D07B3B #45D03B
split-complementary
#3B90D0 #D03B45 #D0C63B
monochromatic
#1C4F75 #2870A6 #3B90D0 #6CACDC #9EC8E8

Accessibility & contrast

On white

3.45
#3B90D0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.09
#3B90D0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B90D0
6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B90D0#FFFFFF#000000##000000
##3B90D01.003.456.096.09
#FFFFFF3.451.0021.0021.00
#0000006.0921.001.001.00
##0000006.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7392D3
Deuteranopia (green-blind)
#5E84CF
Tritanopia (blue-blind)
#00A0A7
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #3b90d0;
/* rgb */ color: rgb(59, 144, 208);
/* oklch */ color: oklch(63.1% 0.126 244.7);
Tailwind
colors: {
  custom: {
    50: '#83b0de',
    500: '#3b90d0',
    950: '#000000',
  },
}
SCSS
$custom: #3b90d0;
$custom-light: #83b0de;
$custom-dark: #000000;
JSON
{
  "hex": "#3b90d0",
  "rgb": {
    "r": 59,
    "g": 144,
    "b": 208
  },
  "hsl": {
    "h": 205.772,
    "s": 61.317,
    "l": 52.353
  },
  "oklch": {
    "l": 0.63084,
    "c": 0.1261,
    "h": 244.7
  },
  "luminance": 0.2543
}

Semantic roles & 50–950 ramp

primary
#3B90D0
secondary
#D4AF93
accent
#8943E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3B90D0

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

Preview Lab → · Contrast checker → · Palette generator →

#3B90D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva