#63D2EB#63D2EB

#63D2EB is a light, moderate cyan. Relative luminance 0.547; OKLCH L 80.8% C 0.107 H 214.7°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#63D2EB
RGB	rgb(99, 210, 235)
HSL	hsl(191, 77%, 65%)
HSV	hsv(191, 58%, 92%)
CMYK	cmyk(57.9%, 10.6%, 0%, 7.8%)
CIE-LAB	lab(78.89, -24.64, -21.89)
CIE-LCH	lch(78.89, 32.96, 221.62°)
OKLab	oklab(80.84% -0.0877 -0.0607)
OKLCH	oklch(80.84% 0.107 214.7)
XYZ	xyz(43.1816, 54.7397, 86.8713)
Luminance	0.5474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D2EB #EB7C63

analogous

#63EBC0 #63D2EB #638EEB

triadic

#63D2EB #EB63D2 #D2EB63

tetradic

#63D2EB #C063EB #EB7C63 #8EEB63

square

#63D2EB #C063EB #EB7C63 #8EEB63

split-complementary

#63D2EB #EB638E #EBC063

monochromatic

#189DBC #2DC2E4 #63D2EB #99E2F2 #CFF1F9

Accessibility & contrast

On white

1.76

#63D2EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#63D2EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D2EB

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D2EB	#FFFFFF	#000000	##000000
##63D2EB	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CCEC

Deuteranopia (green-blind)

#ACBDEB

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63d2eb;
/* rgb */ color: rgb(99, 210, 235);
/* oklch */ color: oklch(80.8% 0.107 214.7);

Tailwind

colors: {
  custom: {
    50: '#9be0f1',
    500: '#63d2eb',
    950: '#000000',
  },
}

SCSS

$custom: #63d2eb;
$custom-light: #9be0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63d2eb",
  "rgb": {
    "r": 99,
    "g": 210,
    "b": 235
  },
  "hsl": {
    "h": 191.029,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.80835,
    "c": 0.10665,
    "h": 214.7
  },
  "luminance": 0.54744
}

Semantic roles & 50–950 ramp

primary

#63D2EB

secondary

#BB5038

accent

#320CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D2EB

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

Preview Lab → · Contrast checker → · Palette generator →