#63A1DF#63A1DF

#63A1DF is a light, moderate cyan. Relative luminance 0.335; OKLCH L 69.3% C 0.112 H 249.7°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX#63A1DF
RGBrgb(99, 161, 223)
HSLhsl(210, 66%, 63%)
HSVhsv(210, 56%, 87%)
CMYKcmyk(55.6%, 27.8%, 0%, 12.5%)
CIE-LABlab(64.54, -2.21, -37.47)
CIE-LCHlch(64.54, 37.53, 266.62°)
OKLaboklab(69.28% -0.0389 -0.1053)
OKLCHoklch(69.28% 0.112 249.7)
XYZxyz(31.2050, 33.4675, 74.6132)
Luminance0.3347 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#63A1DF #DFA163
analogous
#63DFDF #63A1DF #6363DF
triadic
#63A1DF #DF63A1 #A1DF63
tetradic
#63A1DF #DF63DF #DFA163 #63DF63
square
#63A1DF #DF63DF #DFA163 #63DF63
split-complementary
#63A1DF #DF6363 #DFDF63
monochromatic
#2264A6 #3082D5 #63A1DF #96C0E9 #C9DEF4

Accessibility & contrast

On white

2.73
#63A1DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.69
#63A1DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A1DF
7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##63A1DF#FFFFFF#000000##000000
##63A1DF1.002.737.697.69
#FFFFFF2.731.0021.0021.00
#0000007.6921.001.001.00
##0000007.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#87A3E2
Deuteranopia (green-blind)
#7797DE
Tritanopia (blue-blind)
#00AFB7
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #63a1df;
/* rgb */ color: rgb(99, 161, 223);
/* oklch */ color: oklch(69.3% 0.112 249.7);
Tailwind
colors: {
  custom: {
    50: '#98bce9',
    500: '#63a1df',
    950: '#000000',
  },
}
SCSS
$custom: #63a1df;
$custom-light: #98bce9;
$custom-dark: #000000;
JSON
{
  "hex": "#63a1df",
  "rgb": {
    "r": 99,
    "g": 161,
    "b": 223
  },
  "hsl": {
    "h": 210,
    "s": 65.957,
    "l": 63.137
  },
  "oklch": {
    "l": 0.69276,
    "c": 0.11221,
    "h": 249.7
  },
  "luminance": 0.3347
}

Semantic roles & 50–950 ramp

primary
#63A1DF
secondary
#E5CFB9
accent
#7318CE
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1216
muted
#7E8184

Preview Lab

Preview with #63A1DF

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

Preview Lab → · Contrast checker → · Palette generator →

#63A1DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva