#63B7CA#63B7CA

#63B7CA is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.4% C 0.086 H 214.2°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX#63B7CA
RGBrgb(99, 183, 202)
HSLhsl(191, 49%, 59%)
HSVhsv(191, 51%, 79%)
CMYKcmyk(51%, 9.4%, 0%, 20.8%)
CIE-LABlab(70.02, -20.31, -17.47)
CIE-LCHlch(70.02, 26.78, 220.70°)
OKLaboklab(73.36% -0.0711 -0.0483)
OKLCHoklch(73.36% 0.086 214.2)
XYZxyz(32.7356, 40.7811, 62.0121)
Luminance0.4078 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B7CA #CA7663
analogous
#63CAAA #63B7CA #6384CA
triadic
#63B7CA #CA63B7 #B7CA63
tetradic
#63B7CA #AA63CA #CA7663 #84CA63
square
#63B7CA #AA63CA #CA7663 #84CA63
split-complementary
#63B7CA #CA6384 #CAAA63
monochromatic
#2D7585 #3D9DB3 #63B7CA #91CCDA #BEE1E9

Accessibility & contrast

On white

2.29
#63B7CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.16
#63B7CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7CA
9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B7CA#FFFFFF#000000##000000
##63B7CA1.002.299.169.16
#FFFFFF2.291.0021.0021.00
#0000009.1621.001.001.00
##0000009.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9B2CB
Deuteranopia (green-blind)
#99A6CA
Tritanopia (blue-blind)
#20BFBD
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #63b7ca;
/* rgb */ color: rgb(99, 183, 202);
/* oklch */ color: oklch(73.4% 0.086 214.2);
Tailwind
colors: {
  custom: {
    50: '#97ccda',
    500: '#63b7ca',
    950: '#000000',
  },
}
SCSS
$custom: #63b7ca;
$custom-light: #97ccda;
$custom-dark: #000000;
JSON
{
  "hex": "#63b7ca",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 202
  },
  "hsl": {
    "h": 191.068,
    "s": 49.282,
    "l": 59.02
  },
  "oklch": {
    "l": 0.73364,
    "c": 0.0859,
    "h": 214.2
  },
  "luminance": 0.40784
}

Semantic roles & 50–950 ramp

primary
#63B7CA
secondary
#D9B8B0
accent
#684FD9
background
#F9FCFD
surface
#F2F9FA
border
#CCD2D3
text
#0E1314
muted
#7E8283

Preview Lab

Preview with #63B7CA

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

Preview Lab → · Contrast checker → · Palette generator →

#63B7CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva