#63B0DA#63B0DA

#63B0DA is a light, moderate cyan. Relative luminance 0.388; OKLCH L 72.4% C 0.098 H 234.2°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#63B0DA
RGB	rgb(99, 176, 218)
HSL	hsl(201, 62%, 62%)
HSV	hsv(201, 55%, 85%)
CMYK	cmyk(54.6%, 19.3%, 0%, 14.5%)
CIE-LAB	lab(68.58, -12.01, -28.45)
CIE-LCH	lch(68.58, 30.88, 247.12°)
OKLab	oklab(72.4% -0.0572 -0.0793)
OKLCH	oklch(72.4% 0.098 234.2)
XYZ	xyz(33.3211, 38.7624, 72.0420)
Luminance	0.3876 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0DA #DA8D63

analogous

#63DAC8 #63B0DA #6375DA

triadic

#63B0DA #DA63B0 #B0DA63

tetradic

#63B0DA #C863DA #DA8D63 #75DA63

square

#63B0DA #C863DA #DA8D63 #75DA63

split-complementary

#63B0DA #DA6375 #DAC863

monochromatic

#25739D #3297CE #63B0DA #94C9E6 #C6E2F1

Accessibility & contrast

On white

2.40

#63B0DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#63B0DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0DA

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0DA	#FFFFFF	#000000	##000000
##63B0DA	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAEDC

Deuteranopia (green-blind)

#8BA2D9

Tritanopia (blue-blind)

#00BBBE

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63b0da;
/* rgb */ color: rgb(99, 176, 218);
/* oklch */ color: oklch(72.4% 0.098 234.2);

Tailwind

colors: {
  custom: {
    50: '#98c7e5',
    500: '#63b0da',
    950: '#000000',
  },
}

SCSS

$custom: #63b0da;
$custom-light: #98c7e5;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0da",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 218
  },
  "hsl": {
    "h": 201.176,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.72402,
    "c": 0.09777,
    "h": 234.2
  },
  "luminance": 0.38765
}

Semantic roles & 50–950 ramp

primary

#63B0DA

secondary

#E2C6B7

accent

#591CC9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #63B0DA

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

Preview Lab → · Contrast checker → · Palette generator →