#63A0F3#63A0F3

#63A0F3 is a light, vivid cyan. Relative luminance 0.343; OKLCH L 70.1% C 0.138 H 256.5°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX#63A0F3
RGBrgb(99, 160, 243)
HSLhsl(215, 86%, 67%)
HSVhsv(215, 59%, 95%)
CMYKcmyk(59.3%, 34.2%, 0%, 4.7%)
CIE-LABlab(65.17, 4.68, -47.47)
CIE-LCHlch(65.17, 47.70, 275.62°)
OKLaboklab(70.07% -0.0323 -0.1343)
OKLCHoklch(70.07% 0.138 256.5)
XYZxyz(33.8883, 34.2623, 89.6041)
Luminance0.3427 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A0F3 #F3B663
analogous
#63E8F3 #63A0F3 #6E63F3
triadic
#63A0F3 #F363A0 #A0F363
tetradic
#63A0F3 #F363E8 #F3B663 #63F36E
square
#63A0F3 #F363E8 #F3B663 #63F36E
split-complementary
#63A0F3 #F36E63 #E8F363
monochromatic
#105FCC #2A7DEF #63A0F3 #9CC3F7 #D5E5FC

Accessibility & contrast

On white

2.67
#63A0F3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.85
#63A0F3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0F3
7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A0F3#FFFFFF#000000##000000
##63A0F31.002.677.857.85
#FFFFFF2.671.0021.0021.00
#0000007.8521.001.001.00
##0000007.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#7DA6F6
Deuteranopia (green-blind)
#6A98F1
Tritanopia (blue-blind)
#00B3BE
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #63a0f3;
/* rgb */ color: rgb(99, 160, 243);
/* oklch */ color: oklch(70.1% 0.138 256.5);
Tailwind
colors: {
  custom: {
    50: '#9abbf7',
    500: '#63a0f3',
    950: '#000000',
  },
}
SCSS
$custom: #63a0f3;
$custom-light: #9abbf7;
$custom-dark: #000000;
JSON
{
  "hex": "#63a0f3",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 243
  },
  "hsl": {
    "h": 214.583,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.7007,
    "c": 0.13815,
    "h": 256.5
  },
  "luminance": 0.34265
}

Semantic roles & 50–950 ramp

primary
#63A0F3
secondary
#F0DCC2
accent
#8403E2
background
#FAFBFF
surface
#F3F6FF
border
#CDD0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #63A0F3

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

Preview Lab → · Contrast checker → · Palette generator →

#63A0F3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva