#63A7ED#63A7ED

#63A7ED is a light, vivid cyan. Relative luminance 0.364; OKLCH L 71.3% C 0.124 H 250.6°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#63A7ED
RGBrgb(99, 167, 237)
HSLhsl(210, 79%, 66%)
HSVhsv(210, 58%, 93%)
CMYKcmyk(58.2%, 29.5%, 0%, 7.1%)
CIE-LABlab(66.83, -1.22, -41.59)
CIE-LCHlch(66.83, 41.60, 268.32°)
OKLaboklab(71.28% -0.0413 -0.1171)
OKLCHoklch(71.28% 0.124 250.6)
XYZxyz(34.2449, 36.4015, 85.3259)
Luminance0.3640 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A7ED #EDA963
analogous
#63ECED #63A7ED #6463ED
triadic
#63A7ED #ED63A7 #A7ED63
tetradic
#63A7ED #ED63EC #EDA963 #63ED64
square
#63A7ED #ED63EC #EDA963 #63ED64
split-complementary
#63A7ED #ED6463 #ECED63
monochromatic
#166AC0 #2C88E7 #63A7ED #9AC6F3 #D1E5FA

Accessibility & contrast

On white

2.54
#63A7ED on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.28
#63A7ED on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7ED
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A7ED#FFFFFF#000000##000000
##63A7ED1.002.548.288.28
#FFFFFF2.541.0021.0021.00
#0000008.2821.001.001.00
##0000008.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8AAAF0
Deuteranopia (green-blind)
#779DEC
Tritanopia (blue-blind)
#00B7C0
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #63a7ed;
/* rgb */ color: rgb(99, 167, 237);
/* oklch */ color: oklch(71.3% 0.124 250.6);
Tailwind
colors: {
  custom: {
    50: '#99c0f3',
    500: '#63a7ed',
    950: '#000000',
  },
}
SCSS
$custom: #63a7ed;
$custom-light: #99c0f3;
$custom-dark: #000000;
JSON
{
  "hex": "#63a7ed",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 237
  },
  "hsl": {
    "h": 210.435,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.71275,
    "c": 0.12421,
    "h": 250.6
  },
  "luminance": 0.36405
}

Semantic roles & 50–950 ramp

primary
#63A7ED
secondary
#EDD6BF
accent
#740ADC
background
#FAFBFE
surface
#F3F7FD
border
#CDD0D5
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #63A7ED

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

Preview Lab → · Contrast checker → · Palette generator →

#63A7ED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva