#63B2E0#63B2E0

#63B2E0 is a light, moderate cyan. Relative luminance 0.399; OKLCH L 73.1% C 0.103 H 236.1°. Best body text is #000000 at 8.98:1 contrast (WCAG AA passes).

Color values

HEX#63B2E0
RGBrgb(99, 178, 224)
HSLhsl(202, 67%, 63%)
HSVhsv(202, 56%, 88%)
CMYKcmyk(55.8%, 20.5%, 0%, 12.2%)
CIE-LABlab(69.38, -11.29, -30.51)
CIE-LCHlch(69.38, 32.53, 249.69°)
OKLaboklab(73.11% -0.0573 -0.0852)
OKLCHoklch(73.11% 0.103 236.1)
XYZxyz(34.5155, 39.8722, 76.3837)
Luminance0.3987 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B2E0 #E09163
analogous
#63E0CF #63B2E0 #6373E0
triadic
#63B2E0 #E063B2 #B2E063
tetradic
#63B2E0 #CF63E0 #E09163 #73E063
square
#63B2E0 #CF63E0 #E09163 #73E063
split-complementary
#63B2E0 #E06373 #E0CF63
monochromatic
#2176A7 #3099D6 #63B2E0 #96CBEA #C9E4F4

Accessibility & contrast

On white

2.34
#63B2E0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.98
#63B2E0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2E0
8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B2E0#FFFFFF#000000##000000
##63B2E01.002.348.988.98
#FFFFFF2.341.0021.0021.00
#0000008.9821.001.001.00
##0000008.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB1E2
Deuteranopia (green-blind)
#8BA4DF
Tritanopia (blue-blind)
#00BEC1
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #63b2e0;
/* rgb */ color: rgb(99, 178, 224);
/* oklch */ color: oklch(73.1% 0.103 236.1);
Tailwind
colors: {
  custom: {
    50: '#98c9e9',
    500: '#63b2e0',
    950: '#000000',
  },
}
SCSS
$custom: #63b2e0;
$custom-light: #98c9e9;
$custom-dark: #000000;
JSON
{
  "hex": "#63b2e0",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 224
  },
  "hsl": {
    "h": 202.08,
    "s": 66.845,
    "l": 63.333
  },
  "oklch": {
    "l": 0.73113,
    "c": 0.10265,
    "h": 236.1
  },
  "luminance": 0.39875
}

Semantic roles & 50–950 ramp

primary
#63B2E0
secondary
#E6CAB9
accent
#5A17CF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #63B2E0

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

Preview Lab → · Contrast checker → · Palette generator →

#63B2E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva