#63BCEA#63BCEA

#63BCEA is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.8% C 0.108 H 233.2°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#63BCEA
RGB	rgb(99, 188, 234)
HSL	hsl(200, 76%, 65%)
HSV	hsv(200, 58%, 92%)
CMYK	cmyk(57.7%, 19.7%, 0%, 8.2%)
CIE-LAB	lab(72.60, -13.63, -30.98)
CIE-LCH	lch(72.60, 33.85, 246.25°)
OKLab	oklab(75.8% -0.0647 -0.0865)
OKLCH	oklch(75.8% 0.108 233.2)
XYZ	xyz(37.9745, 44.5561, 84.4249)
Luminance	0.4456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCEA #EA9163

analogous

#63EAD4 #63BCEA #6379EA

triadic

#63BCEA #EA63BC #BCEA63

tetradic

#63BCEA #D463EA #EA9163 #79EA63

square

#63BCEA #D463EA #EA9163 #79EA63

split-complementary

#63BCEA #EA6379 #EAD463

monochromatic

#1983BA #2DA5E3 #63BCEA #99D3F1 #CFEAF9

Accessibility & contrast

On white

2.12

#63BCEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#63BCEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCEA

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCEA	#FFFFFF	#000000	##000000
##63BCEA	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BAEC

Deuteranopia (green-blind)

#93ACE9

Tritanopia (blue-blind)

#00C8CB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bcea;
/* rgb */ color: rgb(99, 188, 234);
/* oklch */ color: oklch(75.8% 0.108 233.2);

Tailwind

colors: {
  custom: {
    50: '#9ad0f1',
    500: '#63bcea',
    950: '#000000',
  },
}

SCSS

$custom: #63bcea;
$custom-light: #9ad0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcea",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 234
  },
  "hsl": {
    "h": 200.444,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.75798,
    "c": 0.10803,
    "h": 233.2
  },
  "luminance": 0.4456
}

Semantic roles & 50–950 ramp

primary

#63BCEA

secondary

#EBCDBE

accent

#520DD8

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #63BCEA

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

Preview Lab → · Contrast checker → · Palette generator →