#63A0DB#63A0DB

#63A0DB is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.9% C 0.108 H 248.9°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX#63A0DB
RGBrgb(99, 160, 219)
HSLhsl(210, 63%, 62%)
HSVhsv(210, 55%, 86%)
CMYKcmyk(54.8%, 26.9%, 0%, 14.1%)
CIE-LABlab(64.08, -2.89, -35.96)
CIE-LCHlch(64.08, 36.08, 265.41°)
OKLaboklab(68.86% -0.039 -0.1009)
OKLCHoklch(68.86% 0.108 248.9)
XYZxyz(30.4980, 32.9062, 71.7485)
Luminance0.3291 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A0DB #DB9E63
analogous
#63DBDA #63A0DB #6364DB
triadic
#63A0DB #DB63A0 #A0DB63
tetradic
#63A0DB #DA63DB #DB9E63 #64DB63
square
#63A0DB #DA63DB #DB9E63 #64DB63
split-complementary
#63A0DB #DB6364 #DBDA63
monochromatic
#25639F #3182D0 #63A0DB #95BEE6 #C6DDF2

Accessibility & contrast

On white

2.77
#63A0DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.58
#63A0DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A0DB
7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A0DB#FFFFFF#000000##000000
##63A0DB1.002.777.587.58
#FFFFFF2.771.0021.0021.00
#0000007.5821.001.001.00
##0000007.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A2DE
Deuteranopia (green-blind)
#7896DA
Tritanopia (blue-blind)
#0AAEB4
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #63a0db;
/* rgb */ color: rgb(99, 160, 219);
/* oklch */ color: oklch(68.9% 0.108 248.9);
Tailwind
colors: {
  custom: {
    50: '#97bbe6',
    500: '#63a0db',
    950: '#000000',
  },
}
SCSS
$custom: #63a0db;
$custom-light: #97bbe6;
$custom-dark: #000000;
JSON
{
  "hex": "#63a0db",
  "rgb": {
    "r": 99,
    "g": 160,
    "b": 219
  },
  "hsl": {
    "h": 209.5,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.68863,
    "c": 0.10817,
    "h": 248.9
  },
  "luminance": 0.32909
}

Semantic roles & 50–950 ramp

primary
#63A0DB
secondary
#E3CDB7
accent
#711BCA
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084

Preview Lab

Preview with #63A0DB

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

Preview Lab → · Contrast checker → · Palette generator →

#63A0DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva