#63A7BB#63A7BB

#63A7BB is a light, moderate cyan. Relative luminance 0.339; OKLCH L 69.1% C 0.075 H 218.8°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#63A7BB
RGB	rgb(99, 167, 187)
HSL	hsl(194, 39%, 56%)
HSV	hsv(194, 47%, 73%)
CMYK	cmyk(47.1%, 10.7%, 0%, 26.7%)
CIE-LAB	lab(64.86, -16.13, -16.98)
CIE-LCH	lch(64.86, 23.42, 226.47°)
OKLab	oklab(69.08% -0.0583 -0.0469)
OKLCH	oklch(69.08% 0.075 218.8)
XYZ	xyz(27.9306, 33.8758, 52.0709)
Luminance	0.3388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7BB #BB7763

analogous

#63BBA3 #63A7BB #637BBB

triadic

#63A7BB #BB63A7 #A7BB63

tetradic

#63A7BB #A363BB #BB7763 #7BBB63

square

#63A7BB #A363BB #BB7763 #7BBB63

split-complementary

#63A7BB #BB637B #BBA363

monochromatic

#326372 #44889D #63A7BB #8EBFCE #B8D7E0

Accessibility & contrast

On white

2.70

#63A7BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#63A7BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7BB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7BB	#FFFFFF	#000000	##000000
##63A7BB	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA3BC

Deuteranopia (green-blind)

#8D99BB

Tritanopia (blue-blind)

#37AEAD

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #63a7bb;
/* rgb */ color: rgb(99, 167, 187);
/* oklch */ color: oklch(69.1% 0.075 218.8);

Tailwind

colors: {
  custom: {
    50: '#95c1cf',
    500: '#63a7bb',
    950: '#000000',
  },
}

SCSS

$custom: #63a7bb;
$custom-light: #95c1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7bb",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 187
  },
  "hsl": {
    "h": 193.636,
    "s": 39.286,
    "l": 56.078
  },
  "oklch": {
    "l": 0.69075,
    "c": 0.07484,
    "h": 218.8
  },
  "luminance": 0.33878
}

Semantic roles & 50–950 ramp

primary

#63A7BB

secondary

#CFB3AB

accent

#7459CF

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1213

muted

#7E8182

Preview Lab

Preview with #63A7BB

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

Preview Lab → · Contrast checker → · Palette generator →