#3B8BBD#3B8BBD

#3B8BBD is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.108 H 239.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#3B8BBD
RGBrgb(59, 139, 189)
HSLhsl(203, 52%, 49%)
HSVhsv(203, 69%, 74%)
CMYKcmyk(68.8%, 26.5%, 0%, 25.9%)
CIE-LABlab(55.14, -8.17, -33.19)
CIE-LCHlch(55.14, 34.18, 256.17°)
OKLaboklab(60.94% -0.055 -0.0935)
OKLCHoklch(60.94% 0.108 239.5)
XYZxyz(20.2180, 23.0670, 51.5211)
Luminance0.2307 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8BBD #BD6D3B
analogous
#3BBDAE #3B8BBD #3B4ABD
triadic
#3B8BBD #BD3B8B #8BBD3B
tetradic
#3B8BBD #AE3BBD #BD6D3B #4ABD3B
square
#3B8BBD #AE3BBD #BD6D3B #4ABD3B
split-complementary
#3B8BBD #BD3B4A #BDAE3B
monochromatic
#1E4660 #2C698E #3B8BBD #66A7CF #95C2DE

Accessibility & contrast

On white

3.74
#3B8BBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.61
#3B8BBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BBD
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8BBD#FFFFFF#000000##000000
##3B8BBD1.003.745.615.61
#FFFFFF3.741.0021.0021.00
#0000005.6121.001.001.00
##0000005.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#748BBF
Deuteranopia (green-blind)
#627EBC
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #3b8bbd;
/* rgb */ color: rgb(59, 139, 189);
/* oklch */ color: oklch(60.9% 0.108 239.5);
Tailwind
colors: {
  custom: {
    50: '#80acd1',
    500: '#3b8bbd',
    950: '#000000',
  },
}
SCSS
$custom: #3b8bbd;
$custom-light: #80acd1;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8bbd",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 189
  },
  "hsl": {
    "h": 203.077,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60938,
    "c": 0.10848,
    "h": 239.5
  },
  "luminance": 0.23069
}

Semantic roles & 50–950 ramp

primary
#3B8BBD
secondary
#C9A38B
accent
#834CDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3B8BBD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8BBD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva