#63AFEB#63AFEB

#63AFEB is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.9% C 0.116 H 244.2°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#63AFEB
RGB	rgb(99, 175, 235)
HSL	hsl(206, 77%, 65%)
HSV	hsv(206, 58%, 92%)
CMYK	cmyk(57.9%, 25.5%, 0%, 7.8%)
CIE-LAB	lab(68.97, -6.30, -37.14)
CIE-LCH	lch(68.97, 37.67, 260.37°)
OKLab	oklab(72.94% -0.0504 -0.1042)
OKLCH	oklch(72.94% 0.116 244.2)
XYZ	xyz(35.4654, 39.3075, 84.2993)
Luminance	0.3931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFEB #EB9F63

analogous

#63EBE3 #63AFEB #636BEB

triadic

#63AFEB #EB63AF #AFEB63

tetradic

#63AFEB #E363EB #EB9F63 #6BEB63

square

#63AFEB #E363EB #EB9F63 #6BEB63

split-complementary

#63AFEB #EB636B #EBE363

monochromatic

#1873BC #2D93E4 #63AFEB #99CBF2 #CFE7F9

Accessibility & contrast

On white

2.37

#63AFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#63AFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFEB

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFEB	#FFFFFF	#000000	##000000
##63AFEB	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)

#95B0EE

Deuteranopia (green-blind)

#83A2EA

Tritanopia (blue-blind)

#00BDC4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #63afeb;
/* rgb */ color: rgb(99, 175, 235);
/* oklch */ color: oklch(72.9% 0.116 244.2);

Tailwind

colors: {
  custom: {
    50: '#99c6f1',
    500: '#63afeb',
    950: '#000000',
  },
}

SCSS

$custom: #63afeb;
$custom-light: #99c6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63afeb",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 235
  },
  "hsl": {
    "h": 206.471,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.72938,
    "c": 0.11581,
    "h": 244.2
  },
  "luminance": 0.39311
}

Semantic roles & 50–950 ramp

primary

#63AFEB

secondary

#ECD2BE

accent

#670CDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFEB

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

Preview Lab → · Contrast checker → · Palette generator →