#63B2D5#63B2D5

#63B2D5 is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.6% C 0.093 H 228.8°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#63B2D5
RGB	rgb(99, 178, 213)
HSL	hsl(198, 58%, 61%)
HSV	hsv(198, 54%, 84%)
CMYK	cmyk(53.5%, 16.4%, 0%, 16.5%)
CIE-LAB	lab(68.96, -14.55, -25.11)
CIE-LCH	lch(68.96, 29.02, 239.92°)
OKLab	oklab(72.65% -0.0612 -0.0698)
OKLCH	oklch(72.65% 0.093 228.8)
XYZ	xyz(33.0717, 39.2947, 68.7797)
Luminance	0.3930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2D5 #D58663

analogous

#63D5BF #63B2D5 #6379D5

triadic

#63B2D5 #D563B2 #B2D563

tetradic

#63B2D5 #BF63D5 #D58663 #79D563

square

#63B2D5 #BF63D5 #D58663 #79D563

split-complementary

#63B2D5 #D56379 #D5BF63

monochromatic

#287495 #3599C6 #63B2D5 #93CAE2 #C3E2EF

Accessibility & contrast

On white

2.37

#63B2D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#63B2D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2D5

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2D5	#FFFFFF	#000000	##000000
##63B2D5	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0AFD7

Deuteranopia (green-blind)

#90A3D5

Tritanopia (blue-blind)

#0CBCBD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63b2d5;
/* rgb */ color: rgb(99, 178, 213);
/* oklch */ color: oklch(72.6% 0.093 228.8);

Tailwind

colors: {
  custom: {
    50: '#97c9e2',
    500: '#63b2d5',
    950: '#000000',
  },
}

SCSS

$custom: #63b2d5;
$custom-light: #97c9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2d5",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 213
  },
  "hsl": {
    "h": 198.421,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.72647,
    "c": 0.09285,
    "h": 228.8
  },
  "luminance": 0.39298
}

Semantic roles & 50–950 ramp

primary

#63B2D5

secondary

#DFC2B4

accent

#5320C5

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B2D5

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

Preview Lab → · Contrast checker → · Palette generator →