#63BBD0#63BBD0

#63BBD0 is a light, moderate cyan. Relative luminance 0.427; OKLCH L 74.5% C 0.090 H 215.2°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD0
RGB	rgb(99, 187, 208)
HSL	hsl(192, 54%, 60%)
HSV	hsv(192, 52%, 82%)
CMYK	cmyk(52.4%, 10.1%, 0%, 18.4%)
CIE-LAB	lab(71.38, -20.68, -18.69)
CIE-LCH	lch(71.38, 27.88, 222.12°)
OKLab	oklab(74.52% -0.0732 -0.0517)
OKLCH	oklch(74.52% 0.09 215.2)
XYZ	xyz(34.2967, 42.7443, 66.1054)
Luminance	0.4275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD0 #D07863

analogous

#63D0AF #63BBD0 #6384D0

triadic

#63BBD0 #D063BB #BBD063

tetradic

#63BBD0 #AF63D0 #D07863 #84D063

square

#63BBD0 #AF63D0 #D07863 #84D063

split-complementary

#63BBD0 #D06384 #D0AF63

monochromatic

#2B7B8E #39A3BD #63BBD0 #92D0DE #C1E4EC

Accessibility & contrast

On white

2.20

#63BBD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#63BBD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD0

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD0	#FFFFFF	#000000	##000000
##63BBD0	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB6D1

Deuteranopia (green-blind)

#9BA9D0

Tritanopia (blue-blind)

#11C3C1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbd0;
/* rgb */ color: rgb(99, 187, 208);
/* oklch */ color: oklch(74.5% 0.090 215.2);

Tailwind

colors: {
  custom: {
    50: '#97cfde',
    500: '#63bbd0',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd0;
$custom-light: #97cfde;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd0",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 208
  },
  "hsl": {
    "h": 191.56,
    "s": 53.695,
    "l": 60.196
  },
  "oklch": {
    "l": 0.74518,
    "c": 0.08964,
    "h": 215.2
  },
  "luminance": 0.42747
}

Semantic roles & 50–950 ramp

primary

#63BBD0

secondary

#DCBBB3

accent

#4324C1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BBD0

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

Preview Lab → · Contrast checker → · Palette generator →