#45B4CB#45B4CB

#45B4CB is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.6% C 0.104 H 214.0°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX#45B4CB
RGBrgb(69, 180, 203)
HSLhsl(190, 56%, 53%)
HSVhsv(190, 66%, 80%)
CMYKcmyk(66%, 11.3%, 0%, 20.4%)
CIE-LABlab(68.18, -24.12, -20.91)
CIE-LCHlch(68.18, 31.92, 220.92°)
OKLaboklab(71.62% -0.0862 -0.0581)
OKLCHoklch(71.62% 0.104 214)
XYZxyz(29.5505, 38.2163, 62.3074)
Luminance0.3822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B4CB #CB5C45
analogous
#45CB9F #45B4CB #4571CB
triadic
#45B4CB #CB45B4 #B4CB45
tetradic
#45B4CB #9F45CB #CB5C45 #71CB45
square
#45B4CB #9F45CB #CB5C45 #71CB45
split-complementary
#45B4CB #CB4571 #CB9F45
monochromatic
#216675 #2E90A5 #45B4CB #75C7D8 #A5DBE6

Accessibility & contrast

On white

2.43
#45B4CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.64
#45B4CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B4CB
8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B4CB#FFFFFF#000000##000000
##45B4CB1.002.438.648.64
#FFFFFF2.431.0021.0021.00
#0000008.6421.001.001.00
##0000008.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AECC
Deuteranopia (green-blind)
#90A0CB
Tritanopia (blue-blind)
#00BDBB
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #45b4cb;
/* rgb */ color: rgb(69, 180, 203);
/* oklch */ color: oklch(71.6% 0.104 214.0);
Tailwind
colors: {
  custom: {
    50: '#88cada',
    500: '#45b4cb',
    950: '#000000',
  },
}
SCSS
$custom: #45b4cb;
$custom-light: #88cada;
$custom-dark: #000000;
JSON
{
  "hex": "#45b4cb",
  "rgb": {
    "r": 69,
    "g": 180,
    "b": 203
  },
  "hsl": {
    "h": 190.299,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71619,
    "c": 0.104,
    "h": 214
  },
  "luminance": 0.3822
}

Semantic roles & 50–950 ramp

primary
#45B4CB
secondary
#D3A399
accent
#6248E0
background
#F9FCFD
surface
#F1F8FA
border
#CBD1D3
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #45B4CB

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

Preview Lab → · Contrast checker → · Palette generator →

#45B4CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva