#63BBCD#63BBCD

#63BBCD is a light, moderate cyan. Relative luminance 0.426; OKLCH L 74.4% C 0.088 H 212.6°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#63BBCD
RGB	rgb(99, 187, 205)
HSL	hsl(190, 51%, 60%)
HSV	hsv(190, 52%, 80%)
CMYK	cmyk(51.7%, 8.8%, 0%, 19.6%)
CIE-LAB	lab(71.28, -21.52, -17.21)
CIE-LCH	lch(71.28, 27.55, 218.65°)
OKLab	oklab(74.41% -0.0744 -0.0475)
OKLCH	oklch(74.41% 0.088 212.6)
XYZ	xyz(33.9311, 42.5981, 64.1799)
Luminance	0.4260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBCD #CD7563

analogous

#63CDAA #63BBCD #6386CD

triadic

#63BBCD #CD63BB #BBCD63

tetradic

#63BBCD #AA63CD #CD7563 #86CD63

square

#63BBCD #AA63CD #CD7563 #86CD63

split-complementary

#63BBCD #CD6386 #CDAA63

monochromatic

#2C7A8A #3BA3B8 #63BBCD #91CFDC #C0E3EB

Accessibility & contrast

On white

2.21

#63BBCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#63BBCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBCD

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBCD	#FFFFFF	#000000	##000000
##63BBCD	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB6CE

Deuteranopia (green-blind)

#9CA9CD

Tritanopia (blue-blind)

#18C3C0

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbcd;
/* rgb */ color: rgb(99, 187, 205);
/* oklch */ color: oklch(74.4% 0.088 212.6);

Tailwind

colors: {
  custom: {
    50: '#97cfdc',
    500: '#63bbcd',
    950: '#000000',
  },
}

SCSS

$custom: #63bbcd;
$custom-light: #97cfdc;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbcd",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 205
  },
  "hsl": {
    "h": 190.189,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.74405,
    "c": 0.0883,
    "h": 212.6
  },
  "luminance": 0.42601
}

Semantic roles & 50–950 ramp

primary

#63BBCD

secondary

#DAB8B1

accent

#654DDB

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BBCD

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

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