#63BBD1#63BBD1

#63BBD1 is a light, moderate cyan. Relative luminance 0.428; OKLCH L 74.6% C 0.090 H 216.1°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD1
RGB	rgb(99, 187, 209)
HSL	hsl(192, 54%, 60%)
HSV	hsv(192, 53%, 82%)
CMYK	cmyk(52.6%, 10.5%, 0%, 18%)
CIE-LAB	lab(71.41, -20.40, -19.19)
CIE-LCH	lch(71.41, 28.00, 223.26°)
OKLab	oklab(74.56% -0.0728 -0.0531)
OKLCH	oklch(74.56% 0.09 216.1)
XYZ	xyz(34.4201, 42.7937, 66.7554)
Luminance	0.4280 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD1 #D17963

analogous

#63D1B0 #63BBD1 #6384D1

triadic

#63BBD1 #D163BB #BBD163

tetradic

#63BBD1 #B063D1 #D17963 #84D163

square

#63BBD1 #B063D1 #D17963 #84D163

split-complementary

#63BBD1 #D16384 #D1B063

monochromatic

#2A7B8F #38A4BF #63BBD1 #92D0DF #C2E4ED

Accessibility & contrast

On white

2.20

#63BBD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#63BBD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD1

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD1	#FFFFFF	#000000	##000000
##63BBD1	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB6D2

Deuteranopia (green-blind)

#9BAAD1

Tritanopia (blue-blind)

#0EC3C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbd1;
/* rgb */ color: rgb(99, 187, 209);
/* oklch */ color: oklch(74.6% 0.090 216.1);

Tailwind

colors: {
  custom: {
    50: '#97cfdf',
    500: '#63bbd1',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd1;
$custom-light: #97cfdf;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd1",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 209
  },
  "hsl": {
    "h": 192,
    "s": 54.455,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74556,
    "c": 0.09013,
    "h": 216.1
  },
  "luminance": 0.42797
}

Semantic roles & 50–950 ramp

primary

#63BBD1

secondary

#DDBBB3

accent

#4324C2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BBD1

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

Preview Lab → · Contrast checker → · Palette generator →