#63D9EE#63D9EE

#63D9EE is a very light, moderate teal. Relative luminance 0.585; OKLCH L 82.5% C 0.109 H 211.0°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#63D9EE
RGB	rgb(99, 217, 238)
HSL	hsl(189, 80%, 66%)
HSV	hsv(189, 58%, 93%)
CMYK	cmyk(58.4%, 8.8%, 0%, 6.7%)
CIE-LAB	lab(80.99, -27.24, -20.31)
CIE-LCH	lch(80.99, 33.98, 216.71°)
OKLab	oklab(82.55% -0.0938 -0.0563)
OKLCH	oklch(82.55% 0.109 211)
XYZ	xyz(45.3848, 58.4469, 89.7619)
Luminance	0.5845 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9EE #EE7863

analogous

#63EEBD #63D9EE #6393EE

triadic

#63D9EE #EE63D9 #D9EE63

tetradic

#63D9EE #BD63EE #EE7863 #93EE63

square

#63D9EE #BD63EE #EE7863 #93EE63

split-complementary

#63D9EE #EE6393 #EEBD63

monochromatic

#15A7C2 #2CCCE8 #63D9EE #9AE6F4 #D1F4FA

Accessibility & contrast

On white

1.65

#63D9EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#63D9EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9EE

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9EE	#FFFFFF	#000000	##000000
##63D9EE	1.00	1.65	12.69	12.69
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D2EF

Deuteranopia (green-blind)

#B3C2EE

Tritanopia (blue-blind)

#00E2DF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d9ee;
/* rgb */ color: rgb(99, 217, 238);
/* oklch */ color: oklch(82.5% 0.109 211.0);

Tailwind

colors: {
  custom: {
    50: '#9ce5f3',
    500: '#63d9ee',
    950: '#000000',
  },
}

SCSS

$custom: #63d9ee;
$custom-light: #9ce5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9ee",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 238
  },
  "hsl": {
    "h": 189.065,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.8255,
    "c": 0.10944,
    "h": 211
  },
  "luminance": 0.58451
}

Semantic roles & 50–950 ramp

primary

#63D9EE

secondary

#C04A36

accent

#2909DD

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D9EE

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

Preview Lab → · Contrast checker → · Palette generator →