#63C7EA#63C7EA

#63C7EA is a light, moderate cyan. Relative luminance 0.494; OKLCH L 78.3% C 0.106 H 223.6°. Best body text is #000000 at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#63C7EA
RGB	rgb(99, 199, 234)
HSL	hsl(196, 76%, 65%)
HSV	hsv(196, 58%, 92%)
CMYK	cmyk(57.7%, 15%, 0%, 8.2%)
CIE-LAB	lab(75.72, -19.37, -26.19)
CIE-LCH	lch(75.72, 32.57, 233.51°)
OKLab	oklab(78.29% -0.0764 -0.0728)
OKLCH	oklch(78.29% 0.106 223.6)
XYZ	xyz(40.4145, 49.4361, 85.2383)
Luminance	0.4944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C7EA #EA8663

analogous

#63EACA #63C7EA #6383EA

triadic

#63C7EA #EA63C7 #C7EA63

tetradic

#63C7EA #CA63EA #EA8663 #83EA63

square

#63C7EA #CA63EA #EA8663 #83EA63

split-complementary

#63C7EA #EA6383 #EACA63

monochromatic

#1990BA #2DB4E3 #63C7EA #99DAF1 #CFEEF9

Accessibility & contrast

On white

1.93

#63C7EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.89

#63C7EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C7EA

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C7EA	#FFFFFF	#000000	##000000
##63C7EA	1.00	1.93	10.89	10.89
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.89	21.00	1.00	1.00
##000000	10.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3C3EC

Deuteranopia (green-blind)

#A0B4EA

Tritanopia (blue-blind)

#00D2D2

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #63c7ea;
/* rgb */ color: rgb(99, 199, 234);
/* oklch */ color: oklch(78.3% 0.106 223.6);

Tailwind

colors: {
  custom: {
    50: '#9ad8f0',
    500: '#63c7ea',
    950: '#000000',
  },
}

SCSS

$custom: #63c7ea;
$custom-light: #9ad8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63c7ea",
  "rgb": {
    "r": 99,
    "g": 199,
    "b": 234
  },
  "hsl": {
    "h": 195.556,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.78286,
    "c": 0.10558,
    "h": 223.6
  },
  "luminance": 0.4944
}

Semantic roles & 50–950 ramp

primary

#63C7EA

secondary

#EBC9BE

accent

#420DD8

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #63C7EA

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

Preview Lab → · Contrast checker → · Palette generator →