#63BAE0#63BAE0

#63BAE0 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.9% C 0.100 H 228.7°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#63BAE0
RGB	rgb(99, 186, 224)
HSL	hsl(198, 67%, 63%)
HSV	hsv(198, 56%, 88%)
CMYK	cmyk(55.8%, 17%, 0%, 12.2%)
CIE-LAB	lab(71.66, -15.55, -27.00)
CIE-LCH	lch(71.66, 31.16, 240.06°)
OKLab	oklab(74.92% -0.0661 -0.0752)
OKLCH	oklch(74.92% 0.1 228.7)
XYZ	xyz(36.1539, 43.1490, 76.9299)
Luminance	0.4315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BAE0 #E08963

analogous

#63E0C7 #63BAE0 #637BE0

triadic

#63BAE0 #E063BA #BAE063

tetradic

#63BAE0 #C763E0 #E08963 #7BE063

square

#63BAE0 #C763E0 #E08963 #7BE063

split-complementary

#63BAE0 #E0637B #E0C763

monochromatic

#217FA7 #30A3D6 #63BAE0 #96D1EA #C9E7F4

Accessibility & contrast

On white

2.18

#63BAE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#63BAE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BAE0

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BAE0	#FFFFFF	#000000	##000000
##63BAE0	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)

#A6B7E2

Deuteranopia (green-blind)

#95AAE0

Tritanopia (blue-blind)

#00C5C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bae0;
/* rgb */ color: rgb(99, 186, 224);
/* oklch */ color: oklch(74.9% 0.100 228.7);

Tailwind

colors: {
  custom: {
    50: '#99cee9',
    500: '#63bae0',
    950: '#000000',
  },
}

SCSS

$custom: #63bae0;
$custom-light: #99cee9;
$custom-dark: #000000;

JSON

{
  "hex": "#63bae0",
  "rgb": {
    "r": 99,
    "g": 186,
    "b": 224
  },
  "hsl": {
    "h": 198.24,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.74924,
    "c": 0.10008,
    "h": 228.7
  },
  "luminance": 0.43152
}

Semantic roles & 50–950 ramp

primary

#63BAE0

secondary

#E6C7B9

accent

#4F17CF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63BAE0

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

Preview Lab → · Contrast checker → · Palette generator →