#63BBD5#63BBD5

#63BBD5 is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.7% C 0.092 H 219.4°. Best body text is #000000 at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD5
RGB	rgb(99, 187, 213)
HSL	hsl(194, 58%, 61%)
HSV	hsv(194, 54%, 84%)
CMYK	cmyk(53.5%, 12.2%, 0%, 16.5%)
CIE-LAB	lab(71.55, -19.26, -21.17)
CIE-LCH	lch(71.55, 28.62, 227.70°)
OKLab	oklab(74.71% -0.0713 -0.0586)
OKLCH	oklch(74.71% 0.092 219.4)
XYZ	xyz(34.9215, 42.9943, 69.3963)
Luminance	0.4300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD5 #D57D63

analogous

#63D5B6 #63BBD5 #6382D5

triadic

#63BBD5 #D563BB #BBD563

tetradic

#63BBD5 #B663D5 #D57D63 #82D563

square

#63BBD5 #B663D5 #D57D63 #82D563

split-complementary

#63BBD5 #D56382 #D5B663

monochromatic

#287C95 #35A5C6 #63BBD5 #93D0E2 #C3E5EF

Accessibility & contrast

On white

2.19

#63BBD5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.60

#63BBD5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD5

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD5	#FFFFFF	#000000	##000000
##63BBD5	1.00	2.19	9.60	9.60
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.60	21.00	1.00	1.00
##000000	9.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB7D6

Deuteranopia (green-blind)

#9AAAD5

Tritanopia (blue-blind)

#00C4C3

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63bbd5;
/* rgb */ color: rgb(99, 187, 213);
/* oklch */ color: oklch(74.7% 0.092 219.4);

Tailwind

colors: {
  custom: {
    50: '#98cfe2',
    500: '#63bbd5',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd5;
$custom-light: #98cfe2;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd5",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 213
  },
  "hsl": {
    "h": 193.684,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.7471,
    "c": 0.09231,
    "h": 219.4
  },
  "luminance": 0.42997
}

Semantic roles & 50–950 ramp

primary

#63BBD5

secondary

#DFBEB4

accent

#4620C5

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63BBD5

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

Preview Lab → · Contrast checker → · Palette generator →