#63C8F1#63C8F1

#63C8F1 is a light, moderate cyan. Relative luminance 0.503; OKLCH L 78.8% C 0.111 H 227.3°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#63C8F1
RGB	rgb(99, 200, 241)
HSL	hsl(197, 84%, 67%)
HSV	hsv(197, 59%, 95%)
CMYK	cmyk(58.9%, 17%, 0%, 5.5%)
CIE-LAB	lab(76.26, -17.82, -29.13)
CIE-LCH	lch(76.26, 34.15, 238.54°)
OKLab	oklab(78.8% -0.0749 -0.0812)
OKLCH	oklch(78.8% 0.111 227.3)
XYZ	xyz(41.6709, 50.3080, 90.7164)
Luminance	0.5031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C8F1 #F18C63

analogous

#63F1D3 #63C8F1 #6381F1

triadic

#63C8F1 #F163C8 #C8F163

tetradic

#63C8F1 #D363F1 #F18C63 #81F163

square

#63C8F1 #D363F1 #F18C63 #81F163

split-complementary

#63C8F1 #F16381 #F1D363

monochromatic

#1293C8 #2BB4EC #63C8F1 #9BDCF6 #D3F0FB

Accessibility & contrast

On white

1.90

#63C8F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#63C8F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C8F1

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C8F1	#FFFFFF	#000000	##000000
##63C8F1	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F3

Deuteranopia (green-blind)

#9EB6F1

Tritanopia (blue-blind)

#00D4D5

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #63c8f1;
/* rgb */ color: rgb(99, 200, 241);
/* oklch */ color: oklch(78.8% 0.111 227.3);

Tailwind

colors: {
  custom: {
    50: '#9bd8f5',
    500: '#63c8f1',
    950: '#000000',
  },
}

SCSS

$custom: #63c8f1;
$custom-light: #9bd8f5;
$custom-dark: #000000;

JSON

{
  "hex": "#63c8f1",
  "rgb": {
    "r": 99,
    "g": 200,
    "b": 241
  },
  "hsl": {
    "h": 197.324,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.78798,
    "c": 0.1105,
    "h": 227.3
  },
  "luminance": 0.50312
}

Semantic roles & 50–950 ramp

primary

#63C8F1

secondary

#C55D34

accent

#4506E0

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #63C8F1

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

Preview Lab → · Contrast checker → · Palette generator →