#3A8BCB#3A8BCB

#3A8BCB is a mid, vivid cyan. Relative luminance 0.237; OKLCH L 61.6% C 0.125 H 245.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#3A8BCB
RGBrgb(58, 139, 203)
HSLhsl(206, 58%, 51%)
HSVhsv(206, 71%, 80%)
CMYKcmyk(71.4%, 31.5%, 0%, 20.4%)
CIE-LABlab(55.76, -3.47, -40.16)
CIE-LCHlch(55.76, 40.31, 265.06°)
OKLaboklab(61.63% -0.0512 -0.1138)
OKLCHoklch(61.63% 0.125 245.8)
XYZxyz(21.7529, 23.6742, 59.9115)
Luminance0.2368 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A8BCB #CB7A3A
analogous
#3ACBC3 #3A8BCB #3A42CB
triadic
#3A8BCB #CB3A8B #8BCB3A
tetradic
#3A8BCB #C33ACB #CB7A3A #42CB3A
square
#3A8BCB #C33ACB #CB7A3A #42CB3A
split-complementary
#3A8BCB #CB3A42 #CBC33A
monochromatic
#1D4A6E #2A6B9E #3A8BCB #6AA8D8 #9BC4E5

Accessibility & contrast

On white

3.66
#3A8BCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#3A8BCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8BCB
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A8BCB#FFFFFF#000000##000000
##3A8BCB1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E8DCE
Deuteranopia (green-blind)
#5A7FCA
Tritanopia (blue-blind)
#009AA2
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #3a8bcb;
/* rgb */ color: rgb(58, 139, 203);
/* oklch */ color: oklch(61.6% 0.125 245.8);
Tailwind
colors: {
  custom: {
    50: '#82acdb',
    500: '#3a8bcb',
    950: '#000000',
  },
}
SCSS
$custom: #3a8bcb;
$custom-light: #82acdb;
$custom-dark: #000000;
JSON
{
  "hex": "#3a8bcb",
  "rgb": {
    "r": 58,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 206.483,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61632,
    "c": 0.12476,
    "h": 245.8
  },
  "luminance": 0.23677
}

Semantic roles & 50–950 ramp

primary
#3A8BCB
secondary
#D0AD90
accent
#8B46E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3A8BCB

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

Preview Lab → · Contrast checker → · Palette generator →

#3A8BCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva