#3A8BDD#3A8BDD

#3A8BDD is a light, vivid cyan. Relative luminance 0.246; OKLCH L 62.6% C 0.147 H 251.6°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX#3A8BDD
RGBrgb(58, 139, 221)
HSLhsl(210, 71%, 55%)
HSVhsv(210, 74%, 87%)
CMYKcmyk(73.8%, 37.1%, 0%, 13.3%)
CIE-LABlab(56.67, 2.92, -48.85)
CIE-LCHlch(56.67, 48.94, 273.42°)
OKLaboklab(62.64% -0.0463 -0.1392)
OKLCHoklch(62.64% 0.147 251.6)
XYZxyz(24.0238, 24.5825, 71.8714)
Luminance0.2459 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A8BDD #DD8C3A
analogous
#3ADDDD #3A8BDD #3B3ADD
triadic
#3A8BDD #DD3A8B #8BDD3A
tetradic
#3A8BDD #DD3ADD #DD8C3A #3ADD3B
square
#3A8BDD #DD3ADD #DD8C3A #3ADD3B
split-complementary
#3A8BDD #DD3B3A #DDDD3A
monochromatic
#174E86 #206CBA #3A8BDD #6EAAE6 #A2C8EF

Accessibility & contrast

On white

3.55
#3A8BDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.92
#3A8BDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A8BDD
5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A8BDD#FFFFFF#000000##000000
##3A8BDD1.003.555.925.92
#FFFFFF3.551.0021.0021.00
#0000005.9221.001.001.00
##0000005.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6590E0
Deuteranopia (green-blind)
#4C81DB
Tritanopia (blue-blind)
#009EA9
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3a8bdd;
/* rgb */ color: rgb(58, 139, 221);
/* oklch */ color: oklch(62.6% 0.147 251.6);
Tailwind
colors: {
  custom: {
    50: '#85ace8',
    500: '#3a8bdd',
    950: '#000000',
  },
}
SCSS
$custom: #3a8bdd;
$custom-light: #85ace8;
$custom-dark: #000000;
JSON
{
  "hex": "#3a8bdd",
  "rgb": {
    "r": 58,
    "g": 139,
    "b": 221
  },
  "hsl": {
    "h": 210.184,
    "s": 70.563,
    "l": 54.706
  },
  "oklch": {
    "l": 0.6264,
    "c": 0.14667,
    "h": 251.6
  },
  "luminance": 0.24585
}

Semantic roles & 50–950 ramp

primary
#3A8BDD
secondary
#DCBA97
accent
#943AED
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #3A8BDD

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

Preview Lab → · Contrast checker → · Palette generator →

#3A8BDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva