#63BBD8#63BBD8

#63BBD8 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.8% C 0.094 H 221.8°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#63BBD8
RGB	rgb(99, 187, 216)
HSL	hsl(195, 60%, 62%)
HSV	hsv(195, 54%, 85%)
CMYK	cmyk(54.2%, 13.4%, 0%, 15.3%)
CIE-LAB	lab(71.66, -18.40, -22.64)
CIE-LCH	lch(71.66, 29.18, 230.90°)
OKLab	oklab(74.83% -0.0701 -0.0628)
OKLCH	oklch(74.83% 0.094 221.8)
XYZ	xyz(35.3058, 43.1480, 71.4203)
Luminance	0.4315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BBD8 #D88063

analogous

#63D8BB #63BBD8 #6381D8

triadic

#63BBD8 #D863BB #BBD863

tetradic

#63BBD8 #BB63D8 #D88063 #81D863

square

#63BBD8 #BB63D8 #D88063 #81D863

split-complementary

#63BBD8 #D86381 #D8BB63

monochromatic

#277D9A #33A5CB #63BBD8 #94D0E4 #C5E6F0

Accessibility & contrast

On white

2.18

#63BBD8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#63BBD8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BBD8

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BBD8	#FFFFFF	#000000	##000000
##63BBD8	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB7DA

Deuteranopia (green-blind)

#99AAD8

Tritanopia (blue-blind)

#00C4C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bbd8;
/* rgb */ color: rgb(99, 187, 216);
/* oklch */ color: oklch(74.8% 0.094 221.8);

Tailwind

colors: {
  custom: {
    50: '#98cfe4',
    500: '#63bbd8',
    950: '#000000',
  },
}

SCSS

$custom: #63bbd8;
$custom-light: #98cfe4;
$custom-dark: #000000;

JSON

{
  "hex": "#63bbd8",
  "rgb": {
    "r": 99,
    "g": 187,
    "b": 216
  },
  "hsl": {
    "h": 194.872,
    "s": 60,
    "l": 61.765
  },
  "oklch": {
    "l": 0.74828,
    "c": 0.09415,
    "h": 221.8
  },
  "luminance": 0.43151
}

Semantic roles & 50–950 ramp

primary

#63BBD8

secondary

#E1C0B6

accent

#481EC8

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63BBD8

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

Preview Lab → · Contrast checker → · Palette generator →