#63B7CC#63B7CC

#63B7CC is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.4% C 0.087 H 216.0°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#63B7CC
RGB	rgb(99, 183, 204)
HSL	hsl(192, 51%, 59%)
HSV	hsv(192, 51%, 80%)
CMYK	cmyk(51.5%, 10.3%, 0%, 20%)
CIE-LAB	lab(70.09, -19.75, -18.46)
CIE-LCH	lch(70.09, 27.03, 223.08°)
OKLab	oklab(73.44% -0.0703 -0.051)
OKLCH	oklch(73.44% 0.087 216)
XYZ	xyz(32.9740, 40.8764, 63.2673)
Luminance	0.4088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7CC #CC7863

analogous

#63CCAD #63B7CC #6383CC

triadic

#63B7CC #CC63B7 #B7CC63

tetradic

#63B7CC #AD63CC #CC7863 #83CC63

square

#63B7CC #AD63CC #CC7863 #83CC63

split-complementary

#63B7CC #CC6383 #CCAD63

monochromatic

#2C7688 #3C9EB6 #63B7CC #91CCDB #BFE2EA

Accessibility & contrast

On white

2.29

#63B7CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#63B7CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7CC

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7CC	#FFFFFF	#000000	##000000
##63B7CC	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B2CD

Deuteranopia (green-blind)

#98A6CC

Tritanopia (blue-blind)

#1DBFBD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b7cc;
/* rgb */ color: rgb(99, 183, 204);
/* oklch */ color: oklch(73.4% 0.087 216.0);

Tailwind

colors: {
  custom: {
    50: '#97ccdb',
    500: '#63b7cc',
    950: '#000000',
  },
}

SCSS

$custom: #63b7cc;
$custom-light: #97ccdb;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7cc",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 204
  },
  "hsl": {
    "h": 192,
    "s": 50.725,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7344,
    "c": 0.08686,
    "h": 216
  },
  "luminance": 0.40879
}

Semantic roles & 50–950 ramp

primary

#63B7CC

secondary

#DAB9B1

accent

#6A4EDA

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B7CC

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

Preview Lab → · Contrast checker → · Palette generator →