#3B8EB3#3B8EB3

#3B8EB3 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.2% C 0.097 H 230.6°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#3B8EB3
RGBrgb(59, 142, 179)
HSLhsl(199, 50%, 47%)
HSVhsv(199, 67%, 70%)
CMYKcmyk(67%, 20.7%, 0%, 29.8%)
CIE-LABlab(55.61, -13.22, -26.76)
CIE-LCHlch(55.61, 29.85, 243.70°)
OKLaboklab(61.17% -0.0616 -0.075)
OKLCHoklch(61.17% 0.097 230.6)
XYZxyz(19.6101, 23.5284, 46.1470)
Luminance0.2353 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8EB3 #B3603B
analogous
#3BB39C #3B8EB3 #3B52B3
triadic
#3B8EB3 #B33B8E #8EB33B
tetradic
#3B8EB3 #9C3BB3 #B3603B #52B33B
square
#3B8EB3 #9C3BB3 #B3603B #52B33B
split-complementary
#3B8EB3 #B33B52 #B39C3B
monochromatic
#1D4557 #2C6985 #3B8EB3 #60AACB #8EC3DA

Accessibility & contrast

On white

3.68
#3B8EB3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.71
#3B8EB3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8EB3
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8EB3#FFFFFF#000000##000000
##3B8EB31.003.685.715.71
#FFFFFF3.681.0021.0021.00
#0000005.7121.001.001.00
##0000005.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8CB5
Deuteranopia (green-blind)
#6B80B2
Tritanopia (blue-blind)
#00989A
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #3b8eb3;
/* rgb */ color: rgb(59, 142, 179);
/* oklch */ color: oklch(61.2% 0.097 230.6);
Tailwind
colors: {
  custom: {
    50: '#7eafca',
    500: '#3b8eb3',
    950: '#000000',
  },
}
SCSS
$custom: #3b8eb3;
$custom-light: #7eafca;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8eb3",
  "rgb": {
    "r": 59,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 198.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.61172,
    "c": 0.09702,
    "h": 230.6
  },
  "luminance": 0.2353
}

Semantic roles & 50–950 ramp

primary
#3B8EB3
secondary
#C59985
accent
#794EDA
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #3B8EB3

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8EB3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva