#63A7DD#63A7DD

#63A7DD is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.5% C 0.105 H 244.1°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX#63A7DD
RGBrgb(99, 167, 221)
HSLhsl(207, 64%, 63%)
HSVhsv(207, 55%, 87%)
CMYKcmyk(55.2%, 24.4%, 0%, 13.3%)
CIE-LABlab(66.14, -6.19, -33.87)
CIE-LCHlch(66.14, 34.43, 259.65°)
OKLaboklab(70.51% -0.0461 -0.0948)
OKLCHoklch(70.51% 0.105 244.1)
XYZxyz(32.0107, 35.5078, 73.5594)
Luminance0.3551 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A7DD #DD9963
analogous
#63DDD6 #63A7DD #636ADD
triadic
#63A7DD #DD63A7 #A7DD63
tetradic
#63A7DD #D663DD #DD9963 #6ADD63
square
#63A7DD #D663DD #DD9963 #6ADD63
split-complementary
#63A7DD #DD636A #DDD663
monochromatic
#236AA2 #318BD2 #63A7DD #95C3E8 #C7E0F3

Accessibility & contrast

On white

2.59
#63A7DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.10
#63A7DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7DD
8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A7DD#FFFFFF#000000##000000
##63A7DD1.002.598.108.10
#FFFFFF2.591.0021.0021.00
#0000008.1021.001.001.00
##0000008.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#90A8DF
Deuteranopia (green-blind)
#7F9BDC
Tritanopia (blue-blind)
#00B4B9
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #63a7dd;
/* rgb */ color: rgb(99, 167, 221);
/* oklch */ color: oklch(70.5% 0.105 244.1);
Tailwind
colors: {
  custom: {
    50: '#98c1e7',
    500: '#63a7dd',
    950: '#000000',
  },
}
SCSS
$custom: #63a7dd;
$custom-light: #98c1e7;
$custom-dark: #000000;
JSON
{
  "hex": "#63a7dd",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 221
  },
  "hsl": {
    "h": 206.557,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.70512,
    "c": 0.10547,
    "h": 244.1
  },
  "luminance": 0.35511
}

Semantic roles & 50–950 ramp

primary
#63A7DD
secondary
#E4CBB8
accent
#6919CC
background
#F9FBFE
surface
#F2F7FC
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A7DD

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

Preview Lab → · Contrast checker → · Palette generator →

#63A7DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva