#63B8CD#63B8CD

#63B8CD is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.7% C 0.088 H 215.8°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#63B8CD
RGB	rgb(99, 184, 205)
HSL	hsl(192, 51%, 60%)
HSV	hsv(192, 52%, 80%)
CMYK	cmyk(51.7%, 10.2%, 0%, 19.6%)
CIE-LAB	lab(70.41, -19.98, -18.52)
CIE-LCH	lch(70.41, 27.24, 222.83°)
OKLab	oklab(73.71% -0.071 -0.0512)
OKLCH	oklch(73.71% 0.088 215.8)
XYZ	xyz(33.3013, 41.3385, 63.9700)
Luminance	0.4134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B8CD #CD7863

analogous

#63CDAD #63B8CD #6383CD

triadic

#63B8CD #CD63B8 #B8CD63

tetradic

#63B8CD #AD63CD #CD7863 #83CD63

square

#63B8CD #AD63CD #CD7863 #83CD63

split-complementary

#63B8CD #CD6383 #CDAD63

monochromatic

#2C778A #3B9FB8 #63B8CD #91CDDC #C0E2EB

Accessibility & contrast

On white

2.27

#63B8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#63B8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B8CD

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B8CD	#FFFFFF	#000000	##000000
##63B8CD	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B3CE

Deuteranopia (green-blind)

#99A7CD

Tritanopia (blue-blind)

#1BC0BE

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b8cd;
/* rgb */ color: rgb(99, 184, 205);
/* oklch */ color: oklch(73.7% 0.088 215.8);

Tailwind

colors: {
  custom: {
    50: '#97cddc',
    500: '#63b8cd',
    950: '#000000',
  },
}

SCSS

$custom: #63b8cd;
$custom-light: #97cddc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b8cd",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 205
  },
  "hsl": {
    "h": 191.887,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7371,
    "c": 0.08756,
    "h": 215.8
  },
  "luminance": 0.41341
}

Semantic roles & 50–950 ramp

primary

#63B8CD

secondary

#DAB9B1

accent

#694DDB

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B8CD

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

Preview Lab → · Contrast checker → · Palette generator →