#45B3CB#45B3CB

#45B3CB is a light, moderate cyan. Relative luminance 0.378; OKLCH L 71.4% C 0.104 H 214.9°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#45B3CB
RGB	rgb(69, 179, 203)
HSL	hsl(191, 56%, 53%)
HSV	hsv(191, 66%, 80%)
CMYK	cmyk(66%, 11.8%, 0%, 20.4%)
CIE-LAB	lab(67.88, -23.61, -21.36)
CIE-LCH	lch(67.88, 31.84, 222.13°)
OKLab	oklab(71.38% -0.0852 -0.0594)
OKLCH	oklch(71.38% 0.104 214.9)
XYZ	xyz(29.3494, 37.8140, 62.2404)
Luminance	0.3782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3CB #CB5D45

analogous

#45CBA0 #45B3CB #4570CB

triadic

#45B3CB #CB45B3 #B3CB45

tetradic

#45B3CB #A045CB #CB5D45 #70CB45

square

#45B3CB #A045CB #CB5D45 #70CB45

split-complementary

#45B3CB #CB4570 #CBA045

monochromatic

#216675 #2E8FA5 #45B3CB #75C7D8 #A5DAE6

Accessibility & contrast

On white

2.45

#45B3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#45B3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3CB

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3CB	#FFFFFF	#000000	##000000
##45B3CB	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2ADCC

Deuteranopia (green-blind)

#8F9FCB

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #45b3cb;
/* rgb */ color: rgb(69, 179, 203);
/* oklch */ color: oklch(71.4% 0.104 214.9);

Tailwind

colors: {
  custom: {
    50: '#88cada',
    500: '#45b3cb',
    950: '#000000',
  },
}

SCSS

$custom: #45b3cb;
$custom-light: #88cada;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3cb",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 203
  },
  "hsl": {
    "h": 190.746,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.71381,
    "c": 0.10388,
    "h": 214.9
  },
  "luminance": 0.37817
}

Semantic roles & 50–950 ramp

primary

#45B3CB

secondary

#D3A399

accent

#6348E0

background

#F9FCFD

surface

#F1F8FA

border

#CBD1D3

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #45B3CB

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

Preview Lab → · Contrast checker → · Palette generator →