#63D5F1#63D5F1

#63D5F1 is a light, moderate cyan. Relative luminance 0.566; OKLCH L 81.7% C 0.110 H 216.4°. Best body text is #000000 at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#63D5F1
RGB	rgb(99, 213, 241)
HSL	hsl(192, 84%, 67%)
HSV	hsv(192, 59%, 95%)
CMYK	cmyk(58.9%, 11.6%, 0%, 5.5%)
CIE-LAB	lab(79.95, -24.41, -23.49)
CIE-LCH	lch(79.95, 33.88, 223.89°)
OKLab	oklab(81.75% -0.0885 -0.0652)
OKLCH	oklch(81.75% 0.11 216.4)
XYZ	xyz(44.8106, 56.5876, 91.7630)
Luminance	0.5659 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D5F1 #F17F63

analogous

#63F1C6 #63D5F1 #638EF1

triadic

#63D5F1 #F163D5 #D5F163

tetradic

#63D5F1 #C663F1 #F17F63 #8EF163

square

#63D5F1 #C663F1 #F17F63 #8EF163

split-complementary

#63D5F1 #F1638E #F1C663

monochromatic

#12A4C8 #2BC6EC #63D5F1 #9BE4F6 #D3F3FB

Accessibility & contrast

On white

1.70

#63D5F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.32

#63D5F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5F1

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D5F1	#FFFFFF	#000000	##000000
##63D5F1	1.00	1.70	12.32	12.32
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.32	21.00	1.00	1.00
##000000	12.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2CFF3

Deuteranopia (green-blind)

#ADC0F1

Tritanopia (blue-blind)

#00DFDE

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d5f1;
/* rgb */ color: rgb(99, 213, 241);
/* oklch */ color: oklch(81.7% 0.110 216.4);

Tailwind

colors: {
  custom: {
    50: '#9ce2f5',
    500: '#63d5f1',
    950: '#000000',
  },
}

SCSS

$custom: #63d5f1;
$custom-light: #9ce2f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63d5f1",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 241
  },
  "hsl": {
    "h": 191.831,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.81748,
    "c": 0.10995,
    "h": 216.4
  },
  "luminance": 0.56592
}

Semantic roles & 50–950 ramp

primary

#63D5F1

secondary

#C55034

accent

#3106E0

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D5F1

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

Preview Lab → · Contrast checker → · Palette generator →