#63B7CF#63B7CF

#63B7CF is a light, moderate cyan. Relative luminance 0.410; OKLCH L 73.6% C 0.088 H 218.6°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#63B7CF
RGB	rgb(99, 183, 207)
HSL	hsl(193, 53%, 60%)
HSV	hsv(193, 52%, 81%)
CMYK	cmyk(52.2%, 11.6%, 0%, 18.8%)
CIE-LAB	lab(70.19, -18.90, -19.95)
CIE-LCH	lch(70.19, 27.48, 226.55°)
OKLab	oklab(73.56% -0.0691 -0.0552)
OKLCH	oklch(73.56% 0.088 218.6)
XYZ	xyz(33.3372, 41.0217, 65.1806)
Luminance	0.4103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7CF #CF7B63

analogous

#63CFB1 #63B7CF #6381CF

triadic

#63B7CF #CF63B7 #B7CF63

tetradic

#63B7CF #B163CF #CF7B63 #81CF63

square

#63B7CF #B163CF #CF7B63 #81CF63

split-complementary

#63B7CF #CF6381 #CFB163

monochromatic

#2B778C #3A9EBB #63B7CF #92CDDD #C1E2EC

Accessibility & contrast

On white

2.28

#63B7CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.21

#63B7CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7CF

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7CF	#FFFFFF	#000000	##000000
##63B7CF	1.00	2.28	9.21	9.21
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.21	21.00	1.00	1.00
##000000	9.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D0

Deuteranopia (green-blind)

#97A6CF

Tritanopia (blue-blind)

#17BFBE

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b7cf;
/* rgb */ color: rgb(99, 183, 207);
/* oklch */ color: oklch(73.6% 0.088 218.6);

Tailwind

colors: {
  custom: {
    50: '#97ccdd',
    500: '#63b7cf',
    950: '#000000',
  },
}

SCSS

$custom: #63b7cf;
$custom-light: #97ccdd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7cf",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 207
  },
  "hsl": {
    "h": 193.333,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.73555,
    "c": 0.08847,
    "h": 218.6
  },
  "luminance": 0.41025
}

Semantic roles & 50–950 ramp

primary

#63B7CF

secondary

#DCBBB2

accent

#6C4BDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B7CF

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

Preview Lab → · Contrast checker → · Palette generator →