#63B8CF#63B8CF

#63B8CF is a light, moderate cyan. Relative luminance 0.414; OKLCH L 73.8% C 0.089 H 217.6°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#63B8CF
RGB	rgb(99, 184, 207)
HSL	hsl(193, 53%, 60%)
HSV	hsv(193, 52%, 81%)
CMYK	cmyk(52.2%, 11.1%, 0%, 18.8%)
CIE-LAB	lab(70.48, -19.42, -19.51)
CIE-LCH	lch(70.48, 27.53, 225.14°)
OKLab	oklab(73.79% -0.0702 -0.054)
OKLCH	oklch(73.79% 0.089 217.6)
XYZ	xyz(33.5442, 41.4357, 65.2496)
Luminance	0.4144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B8CF #CF7A63

analogous

#63CFB0 #63B8CF #6382CF

triadic

#63B8CF #CF63B8 #B8CF63

tetradic

#63B8CF #B063CF #CF7A63 #82CF63

square

#63B8CF #B063CF #CF7A63 #82CF63

split-complementary

#63B8CF #CF6382 #CFB063

monochromatic

#2B788C #3AA0BB #63B8CF #92CDDD #C1E3EC

Accessibility & contrast

On white

2.26

#63B8CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#63B8CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B8CF

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B8CF	#FFFFFF	#000000	##000000
##63B8CF	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B3D0

Deuteranopia (green-blind)

#98A7CF

Tritanopia (blue-blind)

#17C0BF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b8cf;
/* rgb */ color: rgb(99, 184, 207);
/* oklch */ color: oklch(73.8% 0.089 217.6);

Tailwind

colors: {
  custom: {
    50: '#97cddd',
    500: '#63b8cf',
    950: '#000000',
  },
}

SCSS

$custom: #63b8cf;
$custom-light: #97cddd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b8cf",
  "rgb": {
    "r": 99,
    "g": 184,
    "b": 207
  },
  "hsl": {
    "h": 192.778,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.73786,
    "c": 0.0886,
    "h": 217.6
  },
  "luminance": 0.41439
}

Semantic roles & 50–950 ramp

primary

#63B8CF

secondary

#DCBBB2

accent

#6A4BDC

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B8CF

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

Preview Lab → · Contrast checker → · Palette generator →