#45B1CF#45B1CF

#45B1CF is a light, moderate cyan. Relative luminance 0.372; OKLCH L 71.1% C 0.106 H 219.6°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX#45B1CF
RGBrgb(69, 177, 207)
HSLhsl(193, 59%, 54%)
HSVhsv(193, 67%, 81%)
CMYKcmyk(66.7%, 14.5%, 0%, 18.8%)
CIE-LABlab(67.44, -21.36, -24.25)
CIE-LCHlch(67.44, 32.31, 228.63°)
OKLaboklab(71.07% -0.0816 -0.0676)
OKLCHoklch(71.07% 0.106 219.6)
XYZxyz(29.4343, 37.2113, 64.6506)
Luminance0.3721 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B1CF #CF6345
analogous
#45CFA8 #45B1CF #456CCF
triadic
#45B1CF #CF45B1 #B1CF45
tetradic
#45B1CF #A845CF #CF6345 #6CCF45
square
#45B1CF #A845CF #CF6345 #6CCF45
split-complementary
#45B1CF #CF456C #CFA845
monochromatic
#20667A #2C8FAB #45B1CF #76C5DC #A6DAE8

Accessibility & contrast

On white

2.49
#45B1CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.44
#45B1CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B1CF
8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B1CF#FFFFFF#000000##000000
##45B1CF1.002.498.448.44
#FFFFFF2.491.0021.0021.00
#0000008.4421.001.001.00
##0000008.4421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EACD1
Deuteranopia (green-blind)
#8B9ECF
Tritanopia (blue-blind)
#00BBBA
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #45b1cf;
/* rgb */ color: rgb(69, 177, 207);
/* oklch */ color: oklch(71.1% 0.106 219.6);
Tailwind
colors: {
  custom: {
    50: '#88c8dd',
    500: '#45b1cf',
    950: '#000000',
  },
}
SCSS
$custom: #45b1cf;
$custom-light: #88c8dd;
$custom-dark: #000000;
JSON
{
  "hex": "#45b1cf",
  "rgb": {
    "r": 69,
    "g": 177,
    "b": 207
  },
  "hsl": {
    "h": 193.043,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.71068,
    "c": 0.10596,
    "h": 219.6
  },
  "luminance": 0.37214
}

Semantic roles & 50–950 ramp

primary
#45B1CF
secondary
#D5A79B
accent
#6846E2
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #45B1CF

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

Preview Lab → · Contrast checker → · Palette generator →

#45B1CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva