#63C4EA#63C4EA

#63C4EA is a light, moderate cyan. Relative luminance 0.481; OKLCH L 77.6% C 0.106 H 226.3°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#63C4EA
RGB	rgb(99, 196, 234)
HSL	hsl(197, 76%, 65%)
HSV	hsv(197, 58%, 92%)
CMYK	cmyk(57.7%, 16.2%, 0%, 8.2%)
CIE-LAB	lab(74.87, -17.82, -27.49)
CIE-LCH	lch(74.87, 32.76, 237.05°)
OKLab	oklab(77.61% -0.0732 -0.0765)
OKLCH	oklch(77.61% 0.106 226.3)
XYZ	xyz(39.7310, 48.0692, 85.0104)
Luminance	0.4807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C4EA #EA8963

analogous

#63EACC #63C4EA #6380EA

triadic

#63C4EA #EA63C4 #C4EA63

tetradic

#63C4EA #CC63EA #EA8963 #80EA63

square

#63C4EA #CC63EA #EA8963 #80EA63

split-complementary

#63C4EA #EA6380 #EACC63

monochromatic

#198CBA #2DB0E3 #63C4EA #99D8F1 #CFEDF9

Accessibility & contrast

On white

1.98

#63C4EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#63C4EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C4EA

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C4EA	#FFFFFF	#000000	##000000
##63C4EA	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C0EC

Deuteranopia (green-blind)

#9CB2EA

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63c4ea;
/* rgb */ color: rgb(99, 196, 234);
/* oklch */ color: oklch(77.6% 0.106 226.3);

Tailwind

colors: {
  custom: {
    50: '#9ad6f0',
    500: '#63c4ea',
    950: '#000000',
  },
}

SCSS

$custom: #63c4ea;
$custom-light: #9ad6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63c4ea",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 234
  },
  "hsl": {
    "h": 196.889,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.77605,
    "c": 0.10594,
    "h": 226.3
  },
  "luminance": 0.48073
}

Semantic roles & 50–950 ramp

primary

#63C4EA

secondary

#EBCABE

accent

#460DD8

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C4EA

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

Preview Lab → · Contrast checker → · Palette generator →