#63B1DA#63B1DA

#63B1DA is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.6% C 0.097 H 233.2°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#63B1DA
RGB	rgb(99, 177, 218)
HSL	hsl(201, 62%, 62%)
HSV	hsv(201, 55%, 85%)
CMYK	cmyk(54.6%, 18.8%, 0%, 14.5%)
CIE-LAB	lab(68.86, -12.54, -28.01)
CIE-LCH	lch(68.86, 30.69, 245.88°)
OKLab	oklab(72.63% -0.0583 -0.078)
OKLCH	oklch(72.63% 0.097 233.2)
XYZ	xyz(33.5179, 39.1559, 72.1076)
Luminance	0.3916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B1DA #DA8C63

analogous

#63DAC7 #63B1DA #6376DA

triadic

#63B1DA #DA63B1 #B1DA63

tetradic

#63B1DA #C763DA #DA8C63 #76DA63

square

#63B1DA #C763DA #DA8C63 #76DA63

split-complementary

#63B1DA #DA6376 #DAC763

monochromatic

#25749D #3298CE #63B1DA #94CAE6 #C6E2F1

Accessibility & contrast

On white

2.38

#63B1DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#63B1DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B1DA

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B1DA	#FFFFFF	#000000	##000000
##63B1DA	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DAFDC

Deuteranopia (green-blind)

#8DA3D9

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63b1da;
/* rgb */ color: rgb(99, 177, 218);
/* oklch */ color: oklch(72.6% 0.097 233.2);

Tailwind

colors: {
  custom: {
    50: '#98c8e5',
    500: '#63b1da',
    950: '#000000',
  },
}

SCSS

$custom: #63b1da;
$custom-light: #98c8e5;
$custom-dark: #000000;

JSON

{
  "hex": "#63b1da",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 218
  },
  "hsl": {
    "h": 200.672,
    "s": 61.658,
    "l": 62.157
  },
  "oklch": {
    "l": 0.72629,
    "c": 0.09742,
    "h": 233.2
  },
  "luminance": 0.39159
}

Semantic roles & 50–950 ramp

primary

#63B1DA

secondary

#E2C6B7

accent

#581CC9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #63B1DA

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

Preview Lab → · Contrast checker → · Palette generator →