#63D8EB#63D8EB

#63D8EB is a very light, moderate teal. Relative luminance 0.578; OKLCH L 82.2% C 0.108 H 209.6°. Best body text is #000000 at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#63D8EB
RGB	rgb(99, 216, 235)
HSL	hsl(188, 77%, 65%)
HSV	hsv(188, 58%, 92%)
CMYK	cmyk(57.9%, 8.1%, 0%, 7.8%)
CIE-LAB	lab(80.60, -27.59, -19.30)
CIE-LCH	lch(80.60, 33.67, 214.96°)
OKLab	oklab(82.21% -0.094 -0.0534)
OKLCH	oklch(82.21% 0.108 209.6)
XYZ	xyz(44.6907, 57.7581, 87.3744)
Luminance	0.5776 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D8EB #EB7663

analogous

#63EBBA #63D8EB #6394EB

triadic

#63D8EB #EB63D8 #D8EB63

tetradic

#63D8EB #BA63EB #EB7663 #94EB63

square

#63D8EB #BA63EB #EB7663 #94EB63

split-complementary

#63D8EB #EB6394 #EBBA63

monochromatic

#18A5BC #2DCAE4 #63D8EB #99E6F2 #CFF3F9

Accessibility & contrast

On white

1.67

#63D8EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.55

#63D8EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D8EB

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D8EB	#FFFFFF	#000000	##000000
##63D8EB	1.00	1.67	12.55	12.55
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.55	21.00	1.00	1.00
##000000	12.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D1EC

Deuteranopia (green-blind)

#B2C1EB

Tritanopia (blue-blind)

#00E1DE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #63d8eb;
/* rgb */ color: rgb(99, 216, 235);
/* oklch */ color: oklch(82.2% 0.108 209.6);

Tailwind

colors: {
  custom: {
    50: '#9be4f1',
    500: '#63d8eb',
    950: '#000000',
  },
}

SCSS

$custom: #63d8eb;
$custom-light: #9be4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63d8eb",
  "rgb": {
    "r": 99,
    "g": 216,
    "b": 235
  },
  "hsl": {
    "h": 188.382,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.8221,
    "c": 0.10811,
    "h": 209.6
  },
  "luminance": 0.57763
}

Semantic roles & 50–950 ramp

primary

#63D8EB

secondary

#BB4A38

accent

#290CDA

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D8EB

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

Preview Lab → · Contrast checker → · Palette generator →