#63A4CD#63A4CD

#63A4CD is a light, moderate cyan. Relative luminance 0.336; OKLCH L 69.1% C 0.090 H 237.7°. Best body text is #000000 at 7.72:1 contrast (WCAG AA passes).

Color values

HEX#63A4CD
RGBrgb(99, 164, 205)
HSLhsl(203, 51%, 60%)
HSVhsv(203, 52%, 80%)
CMYKcmyk(51.7%, 20%, 0%, 19.6%)
CIE-LABlab(64.65, -9.35, -27.32)
CIE-LCHlch(64.65, 28.88, 251.12°)
OKLaboklab(69.12% -0.0481 -0.0761)
OKLCHoklch(69.12% 0.09 237.7)
XYZxyz(29.4365, 33.6090, 62.6817)
Luminance0.3361 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A4CD #CD8C63
analogous
#63CDC1 #63A4CD #636FCD
triadic
#63A4CD #CD63A4 #A4CD63
tetradic
#63A4CD #C163CD #CD8C63 #6FCD63
square
#63A4CD #C163CD #CD8C63 #6FCD63
split-complementary
#63A4CD #CD636F #CDC163
monochromatic
#2C658A #3B88B8 #63A4CD #91BFDC #C0DAEB

Accessibility & contrast

On white

2.72
#63A4CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.72
#63A4CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4CD
7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A4CD#FFFFFF#000000##000000
##63A4CD1.002.727.727.72
#FFFFFF2.721.0021.0021.00
#0000007.7221.001.001.00
##0000007.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#91A3CF
Deuteranopia (green-blind)
#8398CC
Tritanopia (blue-blind)
#26AEB2
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #63a4cd;
/* rgb */ color: rgb(99, 164, 205);
/* oklch */ color: oklch(69.1% 0.090 237.7);
Tailwind
colors: {
  custom: {
    50: '#96bedc',
    500: '#63a4cd',
    950: '#000000',
  },
}
SCSS
$custom: #63a4cd;
$custom-light: #96bedc;
$custom-dark: #000000;
JSON
{
  "hex": "#63a4cd",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 205
  },
  "hsl": {
    "h": 203.208,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.69122,
    "c": 0.09004,
    "h": 237.7
  },
  "luminance": 0.33611
}

Semantic roles & 50–950 ramp

primary
#63A4CD
secondary
#DAC1B1
accent
#844DDB
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63A4CD

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

Preview Lab → · Contrast checker → · Palette generator →

#63A4CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva