#63CBF8#63CBF8

#63CBF8 is a light, moderate cyan. Relative luminance 0.521; OKLCH L 79.8% C 0.115 H 229.0°. Best body text is #000000 at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#63CBF8
RGB	rgb(99, 203, 248)
HSL	hsl(198, 91%, 68%)
HSV	hsv(198, 60%, 97%)
CMYK	cmyk(60.1%, 18.1%, 0%, 2.7%)
CIE-LAB	lab(77.36, -17.29, -31.18)
CIE-LCH	lch(77.36, 35.66, 240.99°)
OKLab	oklab(79.76% -0.0756 -0.087)
OKLCH	oklch(79.76% 0.115 229)
XYZ	xyz(43.4382, 52.1375, 96.5631)
Luminance	0.5214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CBF8 #F89063

analogous

#63F8DB #63CBF8 #6380F8

triadic

#63CBF8 #F863CB #CBF863

tetradic

#63CBF8 #DB63F8 #F89063 #80F863

square

#63CBF8 #DB63F8 #F89063 #80F863

split-complementary

#63CBF8 #F86380 #F8DB63

monochromatic

#0A99D7 #28B7F5 #63CBF8 #9EDFFB #D8F2FD

Accessibility & contrast

On white

1.84

#63CBF8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.43

#63CBF8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CBF8

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CBF8	#FFFFFF	#000000	##000000
##63CBF8	1.00	1.84	11.43	11.43
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.43	21.00	1.00	1.00
##000000	11.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C8FA

Deuteranopia (green-blind)

#9FB8F7

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #63cbf8;
/* rgb */ color: rgb(99, 203, 248);
/* oklch */ color: oklch(79.8% 0.115 229.0);

Tailwind

colors: {
  custom: {
    50: '#9cdafa',
    500: '#63cbf8',
    950: '#000000',
  },
}

SCSS

$custom: #63cbf8;
$custom-light: #9cdafa;
$custom-dark: #000000;

JSON

{
  "hex": "#63cbf8",
  "rgb": {
    "r": 99,
    "g": 203,
    "b": 248
  },
  "hsl": {
    "h": 198.121,
    "s": 91.411,
    "l": 68.039
  },
  "oklch": {
    "l": 0.79764,
    "c": 0.11527,
    "h": 229
  },
  "luminance": 0.52142
}

Semantic roles & 50–950 ramp

primary

#63CBF8

secondary

#D15F2E

accent

#4500E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #63CBF8

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

Preview Lab → · Contrast checker → · Palette generator →