#63D9EB#63D9EB

#63D9EB is a very light, moderate teal. Relative luminance 0.583; OKLCH L 82.4% C 0.108 H 208.8°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#63D9EB
RGB	rgb(99, 217, 235)
HSL	hsl(188, 77%, 65%)
HSV	hsv(188, 58%, 92%)
CMYK	cmyk(57.9%, 7.7%, 0%, 7.8%)
CIE-LAB	lab(80.89, -28.08, -18.86)
CIE-LCH	lch(80.89, 33.83, 213.89°)
OKLab	oklab(82.44% -0.095 -0.0522)
OKLCH	oklch(82.44% 0.108 208.8)
XYZ	xyz(44.9477, 58.2720, 87.4600)
Luminance	0.5828 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D9EB #EB7563

analogous

#63EBB9 #63D9EB #6395EB

triadic

#63D9EB #EB63D9 #D9EB63

tetradic

#63D9EB #B963EB #EB7563 #95EB63

square

#63D9EB #B963EB #EB7563 #95EB63

split-complementary

#63D9EB #EB6395 #EBB963

monochromatic

#18A6BC #2DCCE4 #63D9EB #99E6F2 #CFF3F9

Accessibility & contrast

On white

1.66

#63D9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#63D9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D9EB

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D9EB	#FFFFFF	#000000	##000000
##63D9EB	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D2EC

Deuteranopia (green-blind)

#B4C2EB

Tritanopia (blue-blind)

#00E2DE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63d9eb;
/* rgb */ color: rgb(99, 217, 235);
/* oklch */ color: oklch(82.4% 0.108 208.8);

Tailwind

colors: {
  custom: {
    50: '#9be5f1',
    500: '#63d9eb',
    950: '#000000',
  },
}

SCSS

$custom: #63d9eb;
$custom-light: #9be5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63d9eb",
  "rgb": {
    "r": 99,
    "g": 217,
    "b": 235
  },
  "hsl": {
    "h": 187.941,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.8244,
    "c": 0.10843,
    "h": 208.8
  },
  "luminance": 0.58277
}

Semantic roles & 50–950 ramp

primary

#63D9EB

secondary

#BB4938

accent

#270CDA

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D9EB

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

Preview Lab → · Contrast checker → · Palette generator →