#63CBF1#63CBF1

#63CBF1 is a light, moderate cyan. Relative luminance 0.517; OKLCH L 79.5% C 0.110 H 224.8°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#63CBF1
RGB	rgb(99, 203, 241)
HSL	hsl(196, 84%, 67%)
HSV	hsv(196, 59%, 95%)
CMYK	cmyk(58.9%, 15.8%, 0%, 5.5%)
CIE-LAB	lab(77.11, -19.37, -27.82)
CIE-LCH	lch(77.11, 33.90, 235.16°)
OKLab	oklab(79.48% -0.0781 -0.0775)
OKLCH	oklch(79.48% 0.11 224.8)
XYZ	xyz(42.3725, 51.7113, 90.9503)
Luminance	0.5171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBF1 #F18963

analogous

#63F1D0 #63CBF1 #6384F1

triadic

#63CBF1 #F163CB #CBF163

tetradic

#63CBF1 #D063F1 #F18963 #84F163

square

#63CBF1 #D063F1 #F18963 #84F163

split-complementary

#63CBF1 #F16384 #F1D063

monochromatic

#1297C8 #2BB8EC #63CBF1 #9BDEF6 #D3F0FB

Accessibility & contrast

On white

1.85

#63CBF1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#63CBF1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBF1

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBF1	#FFFFFF	#000000	##000000
##63CBF1	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C7F3

Deuteranopia (green-blind)

#A2B8F1

Tritanopia (blue-blind)

#00D6D7

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #63cbf1;
/* rgb */ color: rgb(99, 203, 241);
/* oklch */ color: oklch(79.5% 0.110 224.8);

Tailwind

colors: {
  custom: {
    50: '#9bdbf5',
    500: '#63cbf1',
    950: '#000000',
  },
}

SCSS

$custom: #63cbf1;
$custom-light: #9bdbf5;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbf1",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 241
  },
  "hsl": {
    "h": 196.056,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.79476,
    "c": 0.11001,
    "h": 224.8
  },
  "luminance": 0.51715
}

Semantic roles & 50–950 ramp

primary

#63CBF1

secondary

#C55A34

accent

#4006E0

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CBF1

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

Preview Lab → · Contrast checker → · Palette generator →