#63A8BB#63A8BB

#63A8BB is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.3% C 0.075 H 217.5°. Best body text is #000000 at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#63A8BB
RGB	rgb(99, 168, 187)
HSL	hsl(193, 39%, 56%)
HSV	hsv(193, 47%, 73%)
CMYK	cmyk(47.1%, 10.2%, 0%, 26.7%)
CIE-LAB	lab(65.16, -16.66, -16.54)
CIE-LCH	lch(65.16, 23.48, 224.79°)
OKLab	oklab(69.31% -0.0595 -0.0456)
OKLCH	oklch(69.31% 0.075 217.5)
XYZ	xyz(28.1145, 34.2436, 52.1322)
Luminance	0.3425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8BB #BB7663

analogous

#63BBA2 #63A8BB #637CBB

triadic

#63A8BB #BB63A8 #A8BB63

tetradic

#63A8BB #A263BB #BB7663 #7CBB63

square

#63A8BB #A263BB #BB7663 #7CBB63

split-complementary

#63A8BB #BB637C #BBA263

monochromatic

#326472 #44899D #63A8BB #8EC0CE #B8D8E0

Accessibility & contrast

On white

2.68

#63A8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.85

#63A8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8BB

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8BB	#FFFFFF	#000000	##000000
##63A8BB	1.00	2.68	7.85	7.85
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.85	21.00	1.00	1.00
##000000	7.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA4BC

Deuteranopia (green-blind)

#8E9ABB

Tritanopia (blue-blind)

#37AFAE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63a8bb;
/* rgb */ color: rgb(99, 168, 187);
/* oklch */ color: oklch(69.3% 0.075 217.5);

Tailwind

colors: {
  custom: {
    50: '#95c2cf',
    500: '#63a8bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a8bb;
$custom-light: #95c2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8bb",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 187
  },
  "hsl": {
    "h": 192.955,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.69307,
    "c": 0.07501,
    "h": 217.5
  },
  "luminance": 0.34246
}

Semantic roles & 50–950 ramp

primary

#63A8BB

secondary

#CFB3AB

accent

#7259CF

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A8BB

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

Preview Lab → · Contrast checker → · Palette generator →