#63A3CD#63A3CD

#63A3CD is a light, moderate cyan. Relative luminance 0.333; OKLCH L 68.9% C 0.090 H 238.7°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX#63A3CD
RGBrgb(99, 163, 205)
HSLhsl(204, 51%, 60%)
HSVhsv(204, 52%, 80%)
CMYKcmyk(51.7%, 20.5%, 0%, 19.6%)
CIE-LABlab(64.36, -8.80, -27.76)
CIE-LCHlch(64.36, 29.12, 252.42°)
OKLaboklab(68.9% -0.047 -0.0774)
OKLCHoklch(68.9% 0.091 238.7)
XYZxyz(29.2582, 33.2524, 62.6223)
Luminance0.3326 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A3CD #CD8D63
analogous
#63CDC2 #63A3CD #636ECD
triadic
#63A3CD #CD63A3 #A3CD63
tetradic
#63A3CD #C263CD #CD8D63 #6ECD63
square
#63A3CD #C263CD #CD8D63 #6ECD63
split-complementary
#63A3CD #CD636E #CDC263
monochromatic
#2C648A #3B86B8 #63A3CD #91BEDC #C0DAEB

Accessibility & contrast

On white

2.74
#63A3CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.65
#63A3CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3CD
7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A3CD#FFFFFF#000000##000000
##63A3CD1.002.747.657.65
#FFFFFF2.741.0021.0021.00
#0000007.6521.001.001.00
##0000007.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#90A2CF
Deuteranopia (green-blind)
#8297CC
Tritanopia (blue-blind)
#26AEB1
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #63a3cd;
/* rgb */ color: rgb(99, 163, 205);
/* oklch */ color: oklch(68.9% 0.090 238.7);
Tailwind
colors: {
  custom: {
    50: '#96bedc',
    500: '#63a3cd',
    950: '#000000',
  },
}
SCSS
$custom: #63a3cd;
$custom-light: #96bedc;
$custom-dark: #000000;
JSON
{
  "hex": "#63a3cd",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 205
  },
  "hsl": {
    "h": 203.774,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.68895,
    "c": 0.0905,
    "h": 238.7
  },
  "luminance": 0.33255
}

Semantic roles & 50–950 ramp

primary
#63A3CD
secondary
#DAC2B1
accent
#854DDB
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #63A3CD

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

Preview Lab → · Contrast checker → · Palette generator →

#63A3CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva