#63ABE7#63ABE7

#63ABE7 is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.9% C 0.114 H 245.5°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#63ABE7
RGBrgb(99, 171, 231)
HSLhsl(207, 73%, 65%)
HSVhsv(207, 57%, 91%)
CMYKcmyk(57.1%, 26%, 0%, 9.4%)
CIE-LABlab(67.68, -5.33, -36.96)
CIE-LCHlch(67.68, 37.34, 261.80°)
OKLaboklab(71.87% -0.0474 -0.1037)
OKLCHoklch(71.87% 0.114 245.5)
XYZxyz(34.1270, 37.5450, 81.0343)
Luminance0.3755 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63ABE7 #E79F63
analogous
#63E7E1 #63ABE7 #6369E7
triadic
#63ABE7 #E763AB #ABE763
tetradic
#63ABE7 #E163E7 #E79F63 #69E763
square
#63ABE7 #E163E7 #E79F63 #69E763
split-complementary
#63ABE7 #E76369 #E7E163
monochromatic
#1C6FB4 #2E8EDF #63ABE7 #98C8EF #CDE4F7

Accessibility & contrast

On white

2.47
#63ABE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.51
#63ABE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABE7
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63ABE7#FFFFFF#000000##000000
##63ABE71.002.478.518.51
#FFFFFF2.471.0021.0021.00
#0000008.5121.001.001.00
##0000008.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#91ACEA
Deuteranopia (green-blind)
#809FE6
Tritanopia (blue-blind)
#00B9C0
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #63abe7;
/* rgb */ color: rgb(99, 171, 231);
/* oklch */ color: oklch(71.9% 0.114 245.5);
Tailwind
colors: {
  custom: {
    50: '#99c3ef',
    500: '#63abe7',
    950: '#000000',
  },
}
SCSS
$custom: #63abe7;
$custom-light: #99c3ef;
$custom-dark: #000000;
JSON
{
  "hex": "#63abe7",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 231
  },
  "hsl": {
    "h": 207.273,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.71866,
    "c": 0.11406,
    "h": 245.5
  },
  "luminance": 0.37548
}

Semantic roles & 50–950 ramp

primary
#63ABE7
secondary
#EAD1BC
accent
#6A10D5
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #63ABE7

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

Preview Lab → · Contrast checker → · Palette generator →

#63ABE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva