#63D2E9#63D2E9

#63D2E9 is a light, moderate cyan. Relative luminance 0.546; OKLCH L 80.8% C 0.106 H 213.2°. Best body text is #000000 at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#63D2E9
RGB	rgb(99, 210, 233)
HSL	hsl(190, 75%, 65%)
HSV	hsv(190, 58%, 91%)
CMYK	cmyk(57.5%, 9.9%, 0%, 8.6%)
CIE-LAB	lab(78.82, -25.21, -20.92)
CIE-LCH	lch(78.82, 32.76, 219.70°)
OKLab	oklab(80.76% -0.0885 -0.058)
OKLCH	oklch(80.76% 0.106 213.2)
XYZ	xyz(42.8942, 54.6248, 85.3581)
Luminance	0.5463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D2E9 #E97A63

analogous

#63E9BD #63D2E9 #638FE9

triadic

#63D2E9 #E963D2 #D2E963

tetradic

#63D2E9 #BD63E9 #E97A63 #8FE963

square

#63D2E9 #BD63E9 #E97A63 #8FE963

split-complementary

#63D2E9 #E9638F #E9BD63

monochromatic

#1A9DB8 #2DC3E1 #63D2E9 #99E1F1 #CEF1F8

Accessibility & contrast

On white

1.76

#63D2E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.93

#63D2E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D2E9

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D2E9	#FFFFFF	#000000	##000000
##63D2E9	1.00	1.76	11.93	11.93
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.93	21.00	1.00	1.00
##000000	11.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CCEA

Deuteranopia (green-blind)

#ACBDE9

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #63d2e9;
/* rgb */ color: rgb(99, 210, 233);
/* oklch */ color: oklch(80.8% 0.106 213.2);

Tailwind

colors: {
  custom: {
    50: '#9be0f0',
    500: '#63d2e9',
    950: '#000000',
  },
}

SCSS

$custom: #63d2e9;
$custom-light: #9be0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63d2e9",
  "rgb": {
    "r": 99,
    "g": 210,
    "b": 233
  },
  "hsl": {
    "h": 190.299,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.80759,
    "c": 0.10577,
    "h": 213.2
  },
  "luminance": 0.54629
}

Semantic roles & 50–950 ramp

primary

#63D2E9

secondary

#B74F39

accent

#310ED7

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #63D2E9

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

Preview Lab → · Contrast checker → · Palette generator →