#3A8BDB#3A8BDB

#3A8BDB is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.5% C 0.144 H 251.0°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#3A8BDB
RGBrgb(58, 139, 219)
HSLhsl(210, 69%, 54%)
HSVhsv(210, 74%, 86%)
CMYKcmyk(73.5%, 36.5%, 0%, 14.1%)
CIE-LABlab(56.56, 2.20, -47.90)
CIE-LCHlch(56.56, 47.95, 272.63°)
OKLaboklab(62.52% -0.0468 -0.1364)
OKLCHoklch(62.52% 0.144 251)
XYZxyz(23.7589, 24.4766, 70.4764)
Luminance0.2448 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A8BDB #DB8A3A
analogous
#3ADBDB #3A8BDB #3A3ADB
triadic
#3A8BDB #DB3A8B #8BDB3A
tetradic
#3A8BDB #DB3ADB #DB8A3A #3ADB3A
square
#3A8BDB #DB3ADB #DB8A3A #3ADB3A
split-complementary
#3A8BDB #DB3A3A #DBDB3A
monochromatic
#184E83 #216CB6 #3A8BDB #6EA9E4 #A1C8EE

Accessibility & contrast

On white

3.56
#3A8BDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.90
#3A8BDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8BDB
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A8BDB#FFFFFF#000000##000000
##3A8BDB1.003.565.905.90
#FFFFFF3.561.0021.0021.00
#0000005.9021.001.001.00
##0000005.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6690DE
Deuteranopia (green-blind)
#4E81D9
Tritanopia (blue-blind)
#009EA8
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3a8bdb;
/* rgb */ color: rgb(58, 139, 219);
/* oklch */ color: oklch(62.5% 0.144 251.0);
Tailwind
colors: {
  custom: {
    50: '#84ace6',
    500: '#3a8bdb',
    950: '#000000',
  },
}
SCSS
$custom: #3a8bdb;
$custom-light: #84ace6;
$custom-dark: #000000;
JSON
{
  "hex": "#3a8bdb",
  "rgb": {
    "r": 58,
    "g": 139,
    "b": 219
  },
  "hsl": {
    "h": 209.814,
    "s": 69.099,
    "l": 54.314
  },
  "oklch": {
    "l": 0.62524,
    "c": 0.14419,
    "h": 251
  },
  "luminance": 0.24479
}

Semantic roles & 50–950 ramp

primary
#3A8BDB
secondary
#DBB896
accent
#933CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #3A8BDB

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

Preview Lab → · Contrast checker → · Palette generator →

#3A8BDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva