#63D9F2#63D9F2

#63D9F2 is a very light, moderate cyan. Relative luminance 0.587; OKLCH L 82.7% C 0.111 H 213.8°. Best body text is #000000 at 12.74:1 contrast (WCAG AA passes).

Color values

HEX	#63D9F2
RGB	rgb(99, 217, 242)
HSL	hsl(190, 85%, 67%)
HSV	hsv(190, 59%, 95%)
CMYK	cmyk(59.1%, 10.3%, 0%, 5.1%)
CIE-LAB	lab(81.12, -26.11, -22.24)
CIE-LCH	lch(81.12, 34.30, 220.43°)
OKLab	oklab(82.7% -0.0923 -0.0617)
OKLCH	oklch(82.7% 0.111 213.8)
XYZ	xyz(45.9790, 58.6845, 92.8913)
Luminance	0.5869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9F2 #F27C63

analogous

#63F2C4 #63D9F2 #6391F2

triadic

#63D9F2 #F263D9 #D9F263

tetradic

#63D9F2 #C463F2 #F27C63 #91F263

square

#63D9F2 #C463F2 #F27C63 #91F263

split-complementary

#63D9F2 #F26391 #F2C463

monochromatic

#11A9CA #2BCBED #63D9F2 #9BE7F7 #D4F5FB

Accessibility & contrast

On white

1.65

#63D9F2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.74

#63D9F2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9F2

12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9F2	#FFFFFF	#000000	##000000
##63D9F2	1.00	1.65	12.74	12.74
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.74	21.00	1.00	1.00
##000000	12.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D3F3

Deuteranopia (green-blind)

#B1C3F2

Tritanopia (blue-blind)

#00E3E1

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d9f2;
/* rgb */ color: rgb(99, 217, 242);
/* oklch */ color: oklch(82.7% 0.111 213.8);

Tailwind

colors: {
  custom: {
    50: '#9ce5f6',
    500: '#63d9f2',
    950: '#000000',
  },
}

SCSS

$custom: #63d9f2;
$custom-light: #9ce5f6;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9f2",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 242
  },
  "hsl": {
    "h": 190.49,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.82698,
    "c": 0.11102,
    "h": 213.8
  },
  "luminance": 0.58689
}

Semantic roles & 50–950 ramp

primary

#63D9F2

secondary

#C64D33

accent

#2B04E1

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D9F2

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

Preview Lab → · Contrast checker → · Palette generator →