#4298CF#4298CF

#4298CF is a light, moderate cyan. Relative luminance 0.281; OKLCH L 65.1% C 0.116 H 240.1°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#4298CF
RGBrgb(66, 152, 207)
HSLhsl(203, 59%, 54%)
HSVhsv(203, 68%, 81%)
CMYKcmyk(68.1%, 26.6%, 0%, 18.8%)
CIE-LABlab(59.99, -8.35, -35.76)
CIE-LCHlch(59.99, 36.72, 256.86°)
OKLaboklab(65.11% -0.058 -0.1008)
OKLCHoklch(65.11% 0.116 240.1)
XYZxyz(24.7331, 28.1171, 63.1430)
Luminance0.2812 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4298CF #CF7942
analogous
#42CFBF #4298CF #4251CF
triadic
#4298CF #CF4298 #98CF42
tetradic
#4298CF #BF42CF #CF7942 #51CF42
square
#4298CF #BF42CF #CF7942 #51CF42
split-complementary
#4298CF #CF4251 #CFBF42
monochromatic
#1F5578 #2B78A9 #4298CF #73B3DB #A4CDE8

Accessibility & contrast

On white

3.17
#4298CF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.62
#4298CF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4298CF
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4298CF#FFFFFF#000000##000000
##4298CF1.003.176.626.62
#FFFFFF3.171.0021.0021.00
#0000006.6221.001.001.00
##0000006.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F98D2
Deuteranopia (green-blind)
#6B8ACE
Tritanopia (blue-blind)
#00A6AB
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #4298cf;
/* rgb */ color: rgb(66, 152, 207);
/* oklch */ color: oklch(65.1% 0.116 240.1);
Tailwind
colors: {
  custom: {
    50: '#86b6de',
    500: '#4298cf',
    950: '#000000',
  },
}
SCSS
$custom: #4298cf;
$custom-light: #86b6de;
$custom-dark: #000000;
JSON
{
  "hex": "#4298cf",
  "rgb": {
    "r": 66,
    "g": 152,
    "b": 207
  },
  "hsl": {
    "h": 203.404,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.65109,
    "c": 0.11624,
    "h": 240.1
  },
  "luminance": 0.2812
}

Semantic roles & 50–950 ramp

primary
#4298CF
secondary
#D5B098
accent
#8345E3
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #4298CF

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

Preview Lab → · Contrast checker → · Palette generator →

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