#63D5ED#63D5ED

#63D5ED is a light, moderate cyan. Relative luminance 0.564; OKLCH L 81.6% C 0.108 H 213.6°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#63D5ED
RGB	rgb(99, 213, 237)
HSL	hsl(190, 79%, 66%)
HSV	hsv(190, 58%, 93%)
CMYK	cmyk(58.2%, 10.1%, 0%, 7.1%)
CIE-LAB	lab(79.81, -25.56, -21.56)
CIE-LCH	lch(79.81, 33.44, 220.15°)
OKLab	oklab(81.6% -0.0901 -0.0598)
OKLCH	oklch(81.6% 0.108 213.6)
XYZ	xyz(44.2197, 56.3512, 88.6508)
Luminance	0.5636 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D5ED #ED7B63

analogous

#63EDC0 #63D5ED #6390ED

triadic

#63D5ED #ED63D5 #D5ED63

tetradic

#63D5ED #C063ED #ED7B63 #90ED63

square

#63D5ED #C063ED #ED7B63 #90ED63

split-complementary

#63D5ED #ED6390 #EDC063

monochromatic

#16A2C0 #2CC6E7 #63D5ED #9AE4F3 #D1F3FA

Accessibility & contrast

On white

1.71

#63D5ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#63D5ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D5ED

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D5ED	#FFFFFF	#000000	##000000
##63D5ED	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CFEE

Deuteranopia (green-blind)

#AEBFED

Tritanopia (blue-blind)

#00DFDC

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #63d5ed;
/* rgb */ color: rgb(99, 213, 237);
/* oklch */ color: oklch(81.6% 0.108 213.6);

Tailwind

colors: {
  custom: {
    50: '#9be2f2',
    500: '#63d5ed',
    950: '#000000',
  },
}

SCSS

$custom: #63d5ed;
$custom-light: #9be2f2;
$custom-dark: #000000;

JSON

{
  "hex": "#63d5ed",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 237
  },
  "hsl": {
    "h": 190.435,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.81597,
    "c": 0.10809,
    "h": 213.6
  },
  "luminance": 0.56356
}

Semantic roles & 50–950 ramp

primary

#63D5ED

secondary

#BE4E36

accent

#2E0ADC

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63D5ED

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

Preview Lab → · Contrast checker → · Palette generator →