#63B5BF#63B5BF

#63B5BF is a light, moderate teal. Relative luminance 0.395; OKLCH L 72.5% C 0.081 H 205.8°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#63B5BF
RGB	rgb(99, 181, 191)
HSL	hsl(187, 42%, 57%)
HSV	hsv(187, 48%, 75%)
CMYK	cmyk(48.2%, 5.2%, 0%, 25.1%)
CIE-LAB	lab(69.08, -22.30, -12.84)
CIE-LCH	lch(69.08, 25.73, 209.92°)
OKLab	oklab(72.49% -0.0732 -0.0354)
OKLCH	oklch(72.49% 0.081 205.8)
XYZ	xyz(31.0698, 39.4594, 55.2592)
Luminance	0.3946 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B5BF #BF6D63

analogous

#63BF9B #63B5BF #6387BF

triadic

#63B5BF #BF63B5 #B5BF63

tetradic

#63B5BF #9B63BF #BF6D63 #87BF63

square

#63B5BF #9B63BF #BF6D63 #87BF63

split-complementary

#63B5BF #BF6387 #BF9B63

monochromatic

#316F77 #4398A2 #63B5BF #8ECAD1 #BADEE3

Accessibility & contrast

On white

2.36

#63B5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#63B5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B5BF

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B5BF	#FFFFFF	#000000	##000000
##63B5BF	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9AFC0

Deuteranopia (green-blind)

#9AA4BF

Tritanopia (blue-blind)

#2FBBB8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b5bf;
/* rgb */ color: rgb(99, 181, 191);
/* oklch */ color: oklch(72.5% 0.081 205.8);

Tailwind

colors: {
  custom: {
    50: '#96cbd2',
    500: '#63b5bf',
    950: '#000000',
  },
}

SCSS

$custom: #63b5bf;
$custom-light: #96cbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#63b5bf",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 191
  },
  "hsl": {
    "h": 186.522,
    "s": 41.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.72493,
    "c": 0.0813,
    "h": 205.8
  },
  "luminance": 0.39462
}

Semantic roles & 50–950 ramp

primary

#63B5BF

secondary

#D2B0AC

accent

#6456D2

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0E1314

muted

#7E8282

Preview Lab

Preview with #63B5BF

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

Preview Lab → · Contrast checker → · Palette generator →