#3B9DCF#3B9DCF

#3B9DCF is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.116 H 234.9°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX#3B9DCF
RGBrgb(59, 157, 207)
HSLhsl(200, 61%, 52%)
HSVhsv(200, 71%, 81%)
CMYKcmyk(71.5%, 24.2%, 0%, 18.8%)
CIE-LABlab(61.26, -12.15, -33.80)
CIE-LCHlch(61.26, 35.92, 250.22°)
OKLaboklab(66.06% -0.0669 -0.0951)
OKLCHoklch(66.06% 0.116 234.9)
XYZxyz(25.1186, 29.5459, 63.3985)
Luminance0.2955 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B9DCF #CF6D3B
analogous
#3BCFB7 #3B9DCF #3B53CF
triadic
#3B9DCF #CF3B9D #9DCF3B
tetradic
#3B9DCF #B73BCF #CF6D3B #53CF3B
square
#3B9DCF #B73BCF #CF6D3B #53CF3B
split-complementary
#3B9DCF #CF3B53 #CFB73B
monochromatic
#1C5673 #287BA5 #3B9DCF #6CB6DB #9DCEE7

Accessibility & contrast

On white

3.04
#3B9DCF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.91
#3B9DCF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9DCF
6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B9DCF#FFFFFF#000000##000000
##3B9DCF1.003.046.916.91
#FFFFFF3.041.0021.0021.00
#0000006.9121.001.001.00
##0000006.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#859CD1
Deuteranopia (green-blind)
#718ECE
Tritanopia (blue-blind)
#00AAAE
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #3b9dcf;
/* rgb */ color: rgb(59, 157, 207);
/* oklch */ color: oklch(66.1% 0.116 234.9);
Tailwind
colors: {
  custom: {
    50: '#83b9de',
    500: '#3b9dcf',
    950: '#000000',
  },
}
SCSS
$custom: #3b9dcf;
$custom-light: #83b9de;
$custom-dark: #000000;
JSON
{
  "hex": "#3b9dcf",
  "rgb": {
    "r": 59,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 200.27,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66058,
    "c": 0.11627,
    "h": 234.9
  },
  "luminance": 0.29549
}

Semantic roles & 50–950 ramp

primary
#3B9DCF
secondary
#D3A893
accent
#7A44E4
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3B9DCF

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

Preview Lab → · Contrast checker → · Palette generator →

#3B9DCF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva