#63BFD3#63BFD3

#63BFD3 is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.6% C 0.092 H 213.7°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#63BFD3
RGB	rgb(99, 191, 211)
HSL	hsl(191, 56%, 61%)
HSV	hsv(191, 53%, 83%)
CMYK	cmyk(53.1%, 9.5%, 0%, 17.3%)
CIE-LAB	lab(72.64, -21.88, -18.43)
CIE-LCH	lch(72.64, 28.60, 220.11°)
OKLab	oklab(75.56% -0.0765 -0.051)
OKLCH	oklch(75.56% 0.092 213.7)
XYZ	xyz(35.5297, 44.6142, 68.3544)
Luminance	0.4462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFD3 #D37763

analogous

#63D3AF #63BFD3 #6387D3

triadic

#63BFD3 #D363BF #BFD363

tetradic

#63BFD3 #AF63D3 #D37763 #87D363

square

#63BFD3 #AF63D3 #D37763 #87D363

split-complementary

#63BFD3 #D36387 #D3AF63

monochromatic

#298092 #37A9C2 #63BFD3 #93D3E0 #C2E6EE

Accessibility & contrast

On white

2.12

#63BFD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.92

#63BFD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFD3

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFD3	#FFFFFF	#000000	##000000
##63BFD3	1.00	2.12	9.92	9.92
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.92	21.00	1.00	1.00
##000000	9.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BAD4

Deuteranopia (green-blind)

#9FADD3

Tritanopia (blue-blind)

#01C7C5

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #63bfd3;
/* rgb */ color: rgb(99, 191, 211);
/* oklch */ color: oklch(75.6% 0.092 213.7);

Tailwind

colors: {
  custom: {
    50: '#98d2e0',
    500: '#63bfd3',
    950: '#000000',
  },
}

SCSS

$custom: #63bfd3;
$custom-light: #98d2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfd3",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 211
  },
  "hsl": {
    "h": 190.714,
    "s": 56,
    "l": 60.784
  },
  "oklch": {
    "l": 0.75557,
    "c": 0.09192,
    "h": 213.7
  },
  "luminance": 0.44617
}

Semantic roles & 50–950 ramp

primary

#63BFD3

secondary

#DEBBB4

accent

#3F22C4

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #63BFD3

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

Preview Lab → · Contrast checker → · Palette generator →