#63B2CB#63B2CB

#63B2CB is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.2% C 0.086 H 220.7°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#63B2CB
RGB	rgb(99, 178, 203)
HSL	hsl(194, 50%, 59%)
HSV	hsv(194, 51%, 80%)
CMYK	cmyk(51.2%, 12.3%, 0%, 20.4%)
CIE-LAB	lab(68.61, -17.43, -20.16)
CIE-LCH	lch(68.61, 26.65, 229.16°)
OKLab	oklab(72.25% -0.065 -0.0558)
OKLCH	oklch(72.25% 0.086 220.7)
XYZ	xyz(31.8414, 38.8025, 62.3000)
Luminance	0.3881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2CB #CB7C63

analogous

#63CBB0 #63B2CB #637ECB

triadic

#63B2CB #CB63B2 #B2CB63

tetradic

#63B2CB #B063CB #CB7C63 #7ECB63

square

#63B2CB #B063CB #CB7C63 #7ECB63

split-complementary

#63B2CB #CB637E #CBB063

monochromatic

#2D7187 #3C98B5 #63B2CB #91C9DA #BFDFEA

Accessibility & contrast

On white

2.40

#63B2CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#63B2CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2CB

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2CB	#FFFFFF	#000000	##000000
##63B2CB	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECC

Deuteranopia (green-blind)

#93A2CB

Tritanopia (blue-blind)

#22BABA

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63b2cb;
/* rgb */ color: rgb(99, 178, 203);
/* oklch */ color: oklch(72.2% 0.086 220.7);

Tailwind

colors: {
  custom: {
    50: '#96c9da',
    500: '#63b2cb',
    950: '#000000',
  },
}

SCSS

$custom: #63b2cb;
$custom-light: #96c9da;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2cb",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 203
  },
  "hsl": {
    "h": 194.423,
    "s": 50,
    "l": 59.216
  },
  "oklch": {
    "l": 0.72245,
    "c": 0.08565,
    "h": 220.7
  },
  "luminance": 0.38805
}

Semantic roles & 50–950 ramp

primary

#63B2CB

secondary

#D9BAB1

accent

#704EDA

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B2CB

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

Preview Lab → · Contrast checker → · Palette generator →