#3A9FCB#3A9FCB

#3A9FCB is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.3% C 0.112 H 230.8°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).

Color values

HEX#3A9FCB
RGBrgb(58, 159, 203)
HSLhsl(198, 58%, 51%)
HSVhsv(198, 71%, 80%)
CMYKcmyk(71.4%, 21.7%, 0%, 20.4%)
CIE-LABlab(61.66, -14.72, -30.95)
CIE-LCHlch(61.66, 34.27, 244.56°)
OKLaboklab(66.31% -0.0707 -0.0869)
OKLCHoklch(66.31% 0.112 230.8)
XYZxyz(24.9182, 30.0048, 60.9666)
Luminance0.3001 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A9FCB #CB663A
analogous
#3ACBAE #3A9FCB #3A56CB
triadic
#3A9FCB #CB3A9F #9FCB3A
tetradic
#3A9FCB #AE3ACB #CB663A #56CB3A
square
#3A9FCB #AE3ACB #CB663A #56CB3A
split-complementary
#3A9FCB #CB3A56 #CBAE3A
monochromatic
#1D556E #2A7B9E #3A9FCB #6AB7D8 #9BCEE5

Accessibility & contrast

On white

3.00
#3A9FCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

7.00
#3A9FCB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3A9FCB
7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A9FCB#FFFFFF#000000##000000
##3A9FCB1.003.007.007.00
#FFFFFF3.001.0021.0021.00
#0000007.0021.001.001.00
##0000007.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#899DCD
Deuteranopia (green-blind)
#758FCA
Tritanopia (blue-blind)
#00ABAE
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #3a9fcb;
/* rgb */ color: rgb(58, 159, 203);
/* oklch */ color: oklch(66.3% 0.112 230.8);
Tailwind
colors: {
  custom: {
    50: '#82bbdb',
    500: '#3a9fcb',
    950: '#000000',
  },
}
SCSS
$custom: #3a9fcb;
$custom-light: #82bbdb;
$custom-dark: #000000;
JSON
{
  "hex": "#3a9fcb",
  "rgb": {
    "r": 58,
    "g": 159,
    "b": 203
  },
  "hsl": {
    "h": 198.207,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.66312,
    "c": 0.11206,
    "h": 230.8
  },
  "luminance": 0.30008
}

Semantic roles & 50–950 ramp

primary
#3A9FCB
secondary
#D0A490
accent
#7546E1
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3A9FCB

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

Preview Lab → · Contrast checker → · Palette generator →

#3A9FCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva