#45B3CC#45B3CC

#45B3CC is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.4% C 0.104 H 215.6°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#45B3CC
RGB	rgb(69, 179, 204)
HSL	hsl(191, 57%, 54%)
HSV	hsv(191, 66%, 80%)
CMYK	cmyk(66.2%, 12.3%, 0%, 20%)
CIE-LAB	lab(67.92, -23.31, -21.86)
CIE-LCH	lch(67.92, 31.95, 223.16°)
OKLab	oklab(71.42% -0.0848 -0.0608)
OKLCH	oklch(71.42% 0.104 215.6)
XYZ	xyz(29.4689, 37.8618, 62.8700)
Luminance	0.3786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#45B3CC #CC5E45

analogous

#45CCA1 #45B3CC #456FCC

triadic

#45B3CC #CC45B3 #B3CC45

tetradic

#45B3CC #A145CC #CC5E45 #6FCC45

square

#45B3CC #A145CC #CC5E45 #6FCC45

split-complementary

#45B3CC #CC456F #CCA145

monochromatic

#206676 #2E90A6 #45B3CC #75C7D9 #A5DAE6

Accessibility & contrast

On white

2.45

#45B3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#45B3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3CC

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##45B3CC	#FFFFFF	#000000	##000000
##45B3CC	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2AECD

Deuteranopia (green-blind)

#8E9FCC

Tritanopia (blue-blind)

#00BCBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #45b3cc;
/* rgb */ color: rgb(69, 179, 204);
/* oklch */ color: oklch(71.4% 0.104 215.6);

Tailwind

colors: {
  custom: {
    50: '#88cadb',
    500: '#45b3cc',
    950: '#000000',
  },
}

SCSS

$custom: #45b3cc;
$custom-light: #88cadb;
$custom-dark: #000000;

JSON

{
  "hex": "#45b3cc",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 204
  },
  "hsl": {
    "h": 191.111,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.71421,
    "c": 0.10436,
    "h": 215.6
  },
  "luminance": 0.37865
}

Semantic roles & 50–950 ramp

primary

#45B3CC

secondary

#D3A499

accent

#6448E0

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #45B3CC

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

Preview Lab → · Contrast checker → · Palette generator →