#63B8DA#63B8DA

#63B8DA is a light, moderate cyan. Relative luminance 0.420; OKLCH L 74.2% C 0.096 H 226.4°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX#63B8DA
RGBrgb(99, 184, 218)
HSLhsl(197, 62%, 62%)
HSVhsv(197, 55%, 85%)
CMYKcmyk(54.6%, 15.6%, 0%, 14.5%)
CIE-LABlab(70.87, -16.26, -24.94)
CIE-LCHlch(70.87, 29.77, 236.90°)
OKLaboklab(74.22% -0.0661 -0.0693)
OKLCHoklch(74.22% 0.096 226.4)
XYZxyz(34.9361, 41.9924, 72.5803)
Luminance0.4200 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63B8DA #DA8563
analogous
#63DAC1 #63B8DA #637DDA
triadic
#63B8DA #DA63B8 #B8DA63
tetradic
#63B8DA #C163DA #DA8563 #7DDA63
square
#63B8DA #C163DA #DA8563 #7DDA63
split-complementary
#63B8DA #DA637D #DAC163
monochromatic
#257B9D #32A1CE #63B8DA #94CFE6 #C6E5F1

Accessibility & contrast

On white

2.23
#63B8DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.40
#63B8DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B8DA
9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63B8DA#FFFFFF#000000##000000
##63B8DA1.002.239.409.40
#FFFFFF2.231.0021.0021.00
#0000009.4021.001.001.00
##0000009.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6B5DC
Deuteranopia (green-blind)
#95A8DA
Tritanopia (blue-blind)
#00C2C3
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #63b8da;
/* rgb */ color: rgb(99, 184, 218);
/* oklch */ color: oklch(74.2% 0.096 226.4);
Tailwind
colors: {
  custom: {
    50: '#98cde5',
    500: '#63b8da',
    950: '#000000',
  },
}
SCSS
$custom: #63b8da;
$custom-light: #98cde5;
$custom-dark: #000000;
JSON
{
  "hex": "#63b8da",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 218
  },
  "hsl": {
    "h": 197.143,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.74222,
    "c": 0.09576,
    "h": 226.4
  },
  "luminance": 0.41996
}

Semantic roles & 50–950 ramp

primary
#63B8DA
secondary
#E2C3B7
accent
#4E1CC9
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1315
muted
#7E8284

Preview Lab

Preview with #63B8DA

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

Preview Lab → · Contrast checker → · Palette generator →

#63B8DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva