#63B5CE#63B5CE

#63B5CE is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.1% C 0.088 H 219.9°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#63B5CE
RGB	rgb(99, 181, 206)
HSL	hsl(194, 52%, 60%)
HSV	hsv(194, 52%, 81%)
CMYK	cmyk(51.9%, 12.1%, 0%, 19.2%)
CIE-LAB	lab(69.58, -18.14, -20.33)
CIE-LCH	lch(69.58, 27.25, 228.26°)
OKLab	oklab(73.06% -0.0672 -0.0563)
OKLCH	oklch(73.06% 0.088 219.9)
XYZ	xyz(32.8058, 40.1538, 64.4022)
Luminance	0.4016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B5CE #CE7C63

analogous

#63CEB2 #63B5CE #637FCE

triadic

#63B5CE #CE63B5 #B5CE63

tetradic

#63B5CE #B263CE #CE7C63 #7FCE63

square

#63B5CE #B263CE #CE7C63 #7FCE63

split-complementary

#63B5CE #CE637F #CEB263

monochromatic

#2C758B #3A9CBA #63B5CE #92CBDD #C0E1EB

Accessibility & contrast

On white

2.33

#63B5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#63B5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B5CE

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B5CE	#FFFFFF	#000000	##000000
##63B5CE	1.00	2.33	9.03	9.03
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B1CF

Deuteranopia (green-blind)

#96A5CE

Tritanopia (blue-blind)

#1BBDBD

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b5ce;
/* rgb */ color: rgb(99, 181, 206);
/* oklch */ color: oklch(73.1% 0.088 219.9);

Tailwind

colors: {
  custom: {
    50: '#97cbdd',
    500: '#63b5ce',
    950: '#000000',
  },
}

SCSS

$custom: #63b5ce;
$custom-light: #97cbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#63b5ce",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 206
  },
  "hsl": {
    "h": 194.019,
    "s": 52.195,
    "l": 59.804
  },
  "oklch": {
    "l": 0.73055,
    "c": 0.08769,
    "h": 219.9
  },
  "luminance": 0.40157
}

Semantic roles & 50–950 ramp

primary

#63B5CE

secondary

#DBBBB2

accent

#6E4CDC

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B5CE

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

Preview Lab → · Contrast checker → · Palette generator →