#63BCD9#63BCD9

#63BCD9 is a light, moderate cyan. Relative luminance 0.436; OKLCH L 75.1% C 0.095 H 221.6°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#63BCD9
RGB	rgb(99, 188, 217)
HSL	hsl(195, 61%, 62%)
HSV	hsv(195, 54%, 85%)
CMYK	cmyk(54.4%, 13.4%, 0%, 14.9%)
CIE-LAB	lab(71.98, -18.63, -22.70)
CIE-LCH	lch(71.98, 29.37, 230.62°)
OKLab	oklab(75.1% -0.0709 -0.063)
OKLCH	oklch(75.1% 0.095 221.6)
XYZ	xyz(35.6484, 43.6256, 72.1742)
Luminance	0.4363 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCD9 #D98063

analogous

#63D9BB #63BCD9 #6381D9

triadic

#63BCD9 #D963BC #BCD963

tetradic

#63BCD9 #BB63D9 #D98063 #81D963

square

#63BCD9 #BB63D9 #D98063 #81D963

split-complementary

#63BCD9 #D96381 #D9BB63

monochromatic

#267F9C #32A7CD #63BCD9 #94D1E5 #C5E6F1

Accessibility & contrast

On white

2.16

#63BCD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#63BCD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCD9

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCD9	#FFFFFF	#000000	##000000
##63BCD9	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB8DB

Deuteranopia (green-blind)

#99ABD9

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bcd9;
/* rgb */ color: rgb(99, 188, 217);
/* oklch */ color: oklch(75.1% 0.095 221.6);

Tailwind

colors: {
  custom: {
    50: '#98d0e4',
    500: '#63bcd9',
    950: '#000000',
  },
}

SCSS

$custom: #63bcd9;
$custom-light: #98d0e4;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcd9",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 217
  },
  "hsl": {
    "h": 194.746,
    "s": 60.825,
    "l": 61.961
  },
  "oklch": {
    "l": 0.75097,
    "c": 0.0948,
    "h": 221.6
  },
  "luminance": 0.43629
}

Semantic roles & 50–950 ramp

primary

#63BCD9

secondary

#E2C1B6

accent

#471DC9

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BCD9

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

Preview Lab → · Contrast checker → · Palette generator →