#4293BB#4293BB

#4293BB is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.0% C 0.099 H 232.9°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#4293BB
RGBrgb(66, 147, 187)
HSLhsl(200, 48%, 50%)
HSVhsv(200, 65%, 73%)
CMYKcmyk(64.7%, 21.4%, 0%, 26.7%)
CIE-LABlab(57.67, -12.18, -28.11)
CIE-LCHlch(57.67, 30.64, 246.57°)
OKLaboklab(62.98% -0.0596 -0.0788)
OKLCHoklch(62.98% 0.099 232.9)
XYZxyz(21.6466, 25.6113, 50.8068)
Luminance0.2561 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4293BB #BB6A42
analogous
#42BBA7 #4293BB #4256BB
triadic
#4293BB #BB4293 #93BB42
tetradic
#4293BB #A742BB #BB6A42 #56BB42
square
#4293BB #A742BB #BB6A42 #56BB42
split-complementary
#4293BB #BB4256 #BBA742
monochromatic
#224C61 #326F8E #4293BB #6EADCC #9CC7DC

Accessibility & contrast

On white

3.43
#4293BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.12
#4293BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4293BB
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4293BB#FFFFFF#000000##000000
##4293BB1.003.436.126.12
#FFFFFF3.431.0021.0021.00
#0000006.1221.001.001.00
##0000006.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F91BD
Deuteranopia (green-blind)
#6F85BA
Tritanopia (blue-blind)
#009EA0
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #4293bb;
/* rgb */ color: rgb(66, 147, 187);
/* oklch */ color: oklch(63.0% 0.099 232.9);
Tailwind
colors: {
  custom: {
    50: '#83b2cf',
    500: '#4293bb',
    950: '#000000',
  },
}
SCSS
$custom: #4293bb;
$custom-light: #83b2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4293bb",
  "rgb": {
    "r": 66,
    "g": 147,
    "b": 187
  },
  "hsl": {
    "h": 199.835,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6298,
    "c": 0.09879,
    "h": 232.9
  },
  "luminance": 0.25614
}

Semantic roles & 50–950 ramp

primary
#4293BB
secondary
#C8A391
accent
#7D50D7
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1114
muted
#7D8082

Preview Lab

Preview with #4293BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4293BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva