#63B0CF#63B0CF

#63B0CF is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.9% C 0.088 H 226.3°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#63B0CF
RGB	rgb(99, 176, 207)
HSL	hsl(197, 53%, 60%)
HSV	hsv(197, 52%, 81%)
CMYK	cmyk(52.2%, 15%, 0%, 18.8%)
CIE-LAB	lab(68.17, -15.23, -23.03)
CIE-LCH	lch(68.17, 27.61, 236.52°)
OKLab	oklab(71.94% -0.0612 -0.0639)
OKLCH	oklch(71.94% 0.088 226.3)
XYZ	xyz(31.9292, 38.2056, 64.7112)
Luminance	0.3821 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0CF #CF8263

analogous

#63CFB8 #63B0CF #637ACF

triadic

#63B0CF #CF63B0 #B0CF63

tetradic

#63B0CF #B863CF #CF8263 #7ACF63

square

#63B0CF #B863CF #CF8263 #7ACF63

split-complementary

#63B0CF #CF637A #CFB863

monochromatic

#2B718C #3A96BB #63B0CF #92C8DD #C1DFEC

Accessibility & contrast

On white

2.43

#63B0CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#63B0CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0CF

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0CF	#FFFFFF	#000000	##000000
##63B0CF	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FADD1

Deuteranopia (green-blind)

#90A1CF

Tritanopia (blue-blind)

#1CB9BA

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63b0cf;
/* rgb */ color: rgb(99, 176, 207);
/* oklch */ color: oklch(71.9% 0.088 226.3);

Tailwind

colors: {
  custom: {
    50: '#97c7dd',
    500: '#63b0cf',
    950: '#000000',
  },
}

SCSS

$custom: #63b0cf;
$custom-light: #97c7dd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0cf",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 207
  },
  "hsl": {
    "h": 197.222,
    "s": 52.941,
    "l": 60
  },
  "oklch": {
    "l": 0.71944,
    "c": 0.08846,
    "h": 226.3
  },
  "luminance": 0.38208
}

Semantic roles & 50–950 ramp

primary

#63B0CF

secondary

#DCBEB2

accent

#754BDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B0CF

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

Preview Lab → · Contrast checker → · Palette generator →