#4298BB#4298BB

#4298BB is a light, moderate cyan. Relative luminance 0.272; OKLCH L 64.2% C 0.097 H 228.0°. Best body text is #000000 at 6.44:1 contrast (WCAG AA passes).

Color values

HEX#4298BB
RGBrgb(66, 152, 187)
HSLhsl(197, 48%, 50%)
HSVhsv(197, 65%, 73%)
CMYKcmyk(64.7%, 18.7%, 0%, 26.7%)
CIE-LABlab(59.16, -14.93, -25.81)
CIE-LCHlch(59.16, 29.82, 239.95°)
OKLaboklab(64.17% -0.0649 -0.0721)
OKLCHoklch(64.17% 0.097 228)
XYZxyz(22.4411, 27.2002, 51.0716)
Luminance0.2720 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4298BB #BB6542
analogous
#42BBA1 #4298BB #425CBB
triadic
#4298BB #BB4298 #98BB42
tetradic
#4298BB #A142BB #BB6542 #5CBB42
square
#4298BB #A142BB #BB6542 #5CBB42
split-complementary
#4298BB #BB425C #BBA142
monochromatic
#224E61 #32738E #4298BB #6EB1CC #9CC9DC

Accessibility & contrast

On white

3.26
#4298BB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.44
#4298BB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4298BB
6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4298BB#FFFFFF#000000##000000
##4298BB1.003.266.446.44
#FFFFFF3.261.0021.0021.00
#0000006.4421.001.001.00
##0000006.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8695BD
Deuteranopia (green-blind)
#7589BB
Tritanopia (blue-blind)
#00A2A3
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #4298bb;
/* rgb */ color: rgb(66, 152, 187);
/* oklch */ color: oklch(64.2% 0.097 228.0);
Tailwind
colors: {
  custom: {
    50: '#83b6cf',
    500: '#4298bb',
    950: '#000000',
  },
}
SCSS
$custom: #4298bb;
$custom-light: #83b6cf;
$custom-dark: #000000;
JSON
{
  "hex": "#4298bb",
  "rgb": {
    "r": 66,
    "g": 152,
    "b": 187
  },
  "hsl": {
    "h": 197.355,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6417,
    "c": 0.09706,
    "h": 228
  },
  "luminance": 0.27203
}

Semantic roles & 50–950 ramp

primary
#4298BB
secondary
#C8A191
accent
#7750D7
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1113
muted
#7D8082

Preview Lab

Preview with #4298BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4298BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva