#63C8ED#63C8ED

#63C8ED is a light, moderate cyan. Relative luminance 0.501; OKLCH L 78.6% C 0.108 H 224.7°. Best body text is #000000 at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#63C8ED
RGB	rgb(99, 200, 237)
HSL	hsl(196, 79%, 66%)
HSV	hsv(196, 58%, 93%)
CMYK	cmyk(58.2%, 15.6%, 0%, 7.1%)
CIE-LAB	lab(76.11, -19.00, -27.20)
CIE-LCH	lch(76.11, 33.18, 235.06°)
OKLab	oklab(78.64% -0.0764 -0.0757)
OKLCH	oklch(78.64% 0.108 224.7)
XYZ	xyz(41.0800, 50.0717, 87.6042)
Luminance	0.5008 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8ED #ED8863

analogous

#63EDCD #63C8ED #6383ED

triadic

#63C8ED #ED63C8 #C8ED63

tetradic

#63C8ED #CD63ED #ED8863 #83ED63

square

#63C8ED #CD63ED #ED8863 #83ED63

split-complementary

#63C8ED #ED6383 #EDCD63

monochromatic

#1692C0 #2CB5E7 #63C8ED #9ADBF3 #D1EFFA

Accessibility & contrast

On white

1.91

#63C8ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.02

#63C8ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8ED

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8ED	#FFFFFF	#000000	##000000
##63C8ED	1.00	1.91	11.02	11.02
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.02	21.00	1.00	1.00
##000000	11.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C4EF

Deuteranopia (green-blind)

#A0B5ED

Tritanopia (blue-blind)

#00D3D4

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8ed;
/* rgb */ color: rgb(99, 200, 237);
/* oklch */ color: oklch(78.6% 0.108 224.7);

Tailwind

colors: {
  custom: {
    50: '#9bd8f3',
    500: '#63c8ed',
    950: '#000000',
  },
}

SCSS

$custom: #63c8ed;
$custom-light: #9bd8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8ed",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 237
  },
  "hsl": {
    "h": 196.087,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.78635,
    "c": 0.10756,
    "h": 224.7
  },
  "luminance": 0.50076
}

Semantic roles & 50–950 ramp

primary

#63C8ED

secondary

#BE5B36

accent

#420ADC

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8ED

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

Preview Lab → · Contrast checker → · Palette generator →