#63BFDB#63BFDB

#63BFDB is a light, moderate cyan. Relative luminance 0.450; OKLCH L 75.9% C 0.096 H 220.2°. Best body text is #000000 at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#63BFDB
RGB	rgb(99, 191, 219)
HSL	hsl(194, 63%, 62%)
HSV	hsv(194, 55%, 86%)
CMYK	cmyk(54.8%, 12.8%, 0%, 14.1%)
CIE-LAB	lab(72.91, -19.61, -22.37)
CIE-LCH	lch(72.91, 29.74, 228.76°)
OKLab	oklab(75.86% -0.0734 -0.062)
OKLCH	oklch(75.86% 0.096 220.2)
XYZ	xyz(36.5576, 45.0254, 73.7683)
Luminance	0.4503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BFDB #DB7F63

analogous

#63DBBB #63BFDB #6383DB

triadic

#63BFDB #DB63BF #BFDB63

tetradic

#63BFDB #BB63DB #DB7F63 #83DB63

square

#63BFDB #BB63DB #DB7F63 #83DB63

split-complementary

#63BFDB #DB6383 #DBBB63

monochromatic

#25829F #31ABD0 #63BFDB #95D3E6 #C6E8F2

Accessibility & contrast

On white

2.10

#63BFDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.01

#63BFDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BFDB

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BFDB	#FFFFFF	#000000	##000000
##63BFDB	1.00	2.10	10.01	10.01
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.01	21.00	1.00	1.00
##000000	10.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBBDD

Deuteranopia (green-blind)

#9CADDB

Tritanopia (blue-blind)

#00C8C8

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63bfdb;
/* rgb */ color: rgb(99, 191, 219);
/* oklch */ color: oklch(75.9% 0.096 220.2);

Tailwind

colors: {
  custom: {
    50: '#98d2e6',
    500: '#63bfdb',
    950: '#000000',
  },
}

SCSS

$custom: #63bfdb;
$custom-light: #98d2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#63bfdb",
  "rgb": {
    "r": 99,
    "g": 191,
    "b": 219
  },
  "hsl": {
    "h": 194,
    "s": 62.5,
    "l": 62.353
  },
  "oklch": {
    "l": 0.75864,
    "c": 0.09611,
    "h": 220.2
  },
  "luminance": 0.45029
}

Semantic roles & 50–950 ramp

primary

#63BFDB

secondary

#E3C1B7

accent

#441BCA

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #63BFDB

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

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