#63A3BF#63A3BF

#63A3BF is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.3% C 0.078 H 227.9°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#63A3BF
RGB	rgb(99, 163, 191)
HSL	hsl(198, 42%, 57%)
HSV	hsv(198, 48%, 75%)
CMYK	cmyk(48.2%, 14.7%, 0%, 25.1%)
CIE-LAB	lab(63.84, -12.87, -20.77)
CIE-LCH	lch(63.84, 24.43, 238.22°)
OKLab	oklab(68.31% -0.052 -0.0575)
OKLCH	oklch(68.31% 0.078 227.9)
XYZ	xyz(27.6433, 32.6065, 54.1171)
Luminance	0.3261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A3BF #BF7F63

analogous

#63BFAD #63A3BF #6375BF

triadic

#63A3BF #BF63A3 #A3BF63

tetradic

#63A3BF #AD63BF #BF7F63 #75BF63

square

#63A3BF #AD63BF #BF7F63 #75BF63

split-complementary

#63A3BF #BF6375 #BFAD63

monochromatic

#316277 #4385A2 #63A3BF #8EBDD1 #BAD6E3

Accessibility & contrast

On white

2.79

#63A3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#63A3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A3BF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A3BF	#FFFFFF	#000000	##000000
##63A3BF	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A0C0

Deuteranopia (green-blind)

#8796BF

Tritanopia (blue-blind)

#35ABAC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63a3bf;
/* rgb */ color: rgb(99, 163, 191);
/* oklch */ color: oklch(68.3% 0.078 227.9);

Tailwind

colors: {
  custom: {
    50: '#95bed2',
    500: '#63a3bf',
    950: '#000000',
  },
}

SCSS

$custom: #63a3bf;
$custom-light: #95bed2;
$custom-dark: #000000;

JSON

{
  "hex": "#63a3bf",
  "rgb": {
    "r": 99,
    "g": 163,
    "b": 191
  },
  "hsl": {
    "h": 198.261,
    "s": 41.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.68306,
    "c": 0.07755,
    "h": 227.9
  },
  "luminance": 0.32609
}

Semantic roles & 50–950 ramp

primary

#63A3BF

secondary

#D2B8AC

accent

#7C56D2

background

#F9FBFC

surface

#F2F6F9

border

#CCD0D2

text

#0E1214

muted

#7E8182

Preview Lab

Preview with #63A3BF

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

Preview Lab → · Contrast checker → · Palette generator →