#63ACE7#63ACE7

#63ACE7 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 72.1% C 0.113 H 244.7°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#63ACE7
RGB	rgb(99, 172, 231)
HSL	hsl(207, 73%, 65%)
HSV	hsv(207, 57%, 91%)
CMYK	cmyk(57.1%, 25.5%, 0%, 9.4%)
CIE-LAB	lab(67.96, -5.88, -36.53)
CIE-LCH	lch(67.96, 37.00, 260.85°)
OKLab	oklab(72.09% -0.0485 -0.1025)
OKLCH	oklch(72.09% 0.113 244.7)
XYZ	xyz(34.3166, 37.9242, 81.0975)
Luminance	0.3793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACE7 #E79E63

analogous

#63E7E0 #63ACE7 #636AE7

triadic

#63ACE7 #E763AC #ACE763

tetradic

#63ACE7 #E063E7 #E79E63 #6AE763

square

#63ACE7 #E063E7 #E79E63 #6AE763

split-complementary

#63ACE7 #E7636A #E7E063

monochromatic

#1C70B4 #2E90DF #63ACE7 #98C8EF #CDE4F7

Accessibility & contrast

On white

2.45

#63ACE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#63ACE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACE7

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACE7	#FFFFFF	#000000	##000000
##63ACE7	1.00	2.45	8.59	8.59
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92ADEA

Deuteranopia (green-blind)

#81A0E6

Tritanopia (blue-blind)

#00BAC0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #63ace7;
/* rgb */ color: rgb(99, 172, 231);
/* oklch */ color: oklch(72.1% 0.113 244.7);

Tailwind

colors: {
  custom: {
    50: '#99c4ef',
    500: '#63ace7',
    950: '#000000',
  },
}

SCSS

$custom: #63ace7;
$custom-light: #99c4ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63ace7",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 231
  },
  "hsl": {
    "h": 206.818,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.72087,
    "c": 0.11336,
    "h": 244.7
  },
  "luminance": 0.37927
}

Semantic roles & 50–950 ramp

primary

#63ACE7

secondary

#EAD0BC

accent

#6810D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ACE7

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

Preview Lab → · Contrast checker → · Palette generator →