#63BCD1#63BCD1

#63BCD1 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.8% C 0.090 H 215.0°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#63BCD1
RGB	rgb(99, 188, 209)
HSL	hsl(191, 54%, 60%)
HSV	hsv(191, 53%, 82%)
CMYK	cmyk(52.6%, 10%, 0%, 18%)
CIE-LAB	lab(71.70, -20.91, -18.75)
CIE-LCH	lch(71.70, 28.09, 221.89°)
OKLab	oklab(74.79% -0.0739 -0.0519)
OKLCH	oklch(74.79% 0.09 215)
XYZ	xyz(34.6329, 43.2194, 66.8263)
Luminance	0.4322 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BCD1 #D17863

analogous

#63D1AF #63BCD1 #6385D1

triadic

#63BCD1 #D163BC #BCD163

tetradic

#63BCD1 #AF63D1 #D17863 #85D163

square

#63BCD1 #AF63D1 #D17863 #85D163

split-complementary

#63BCD1 #D16385 #D1AF63

monochromatic

#2A7C8F #38A5BF #63BCD1 #92D0DF #C2E5ED

Accessibility & contrast

On white

2.18

#63BCD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#63BCD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BCD1

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BCD1	#FFFFFF	#000000	##000000
##63BCD1	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB7D2

Deuteranopia (green-blind)

#9CAAD1

Tritanopia (blue-blind)

#0DC4C2

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #63bcd1;
/* rgb */ color: rgb(99, 188, 209);
/* oklch */ color: oklch(74.8% 0.090 215.0);

Tailwind

colors: {
  custom: {
    50: '#97d0df',
    500: '#63bcd1',
    950: '#000000',
  },
}

SCSS

$custom: #63bcd1;
$custom-light: #97d0df;
$custom-dark: #000000;

JSON

{
  "hex": "#63bcd1",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 209
  },
  "hsl": {
    "h": 191.455,
    "s": 54.455,
    "l": 60.392
  },
  "oklch": {
    "l": 0.74787,
    "c": 0.09033,
    "h": 215
  },
  "luminance": 0.43223
}

Semantic roles & 50–950 ramp

primary

#63BCD1

secondary

#DDBBB3

accent

#4224C2

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BCD1

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

Preview Lab → · Contrast checker → · Palette generator →