#63AAE7#63AAE7

#63AAE7 is a light, moderate cyan. Relative luminance 0.372; OKLCH L 71.6% C 0.115 H 246.2°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#63AAE7
RGB	rgb(99, 170, 231)
HSL	hsl(208, 73%, 65%)
HSV	hsv(208, 57%, 91%)
CMYK	cmyk(57.1%, 26.4%, 0%, 9.4%)
CIE-LAB	lab(67.40, -4.77, -37.40)
CIE-LCH	lch(67.40, 37.70, 262.73°)
OKLab	oklab(71.64% -0.0463 -0.105)
OKLCH	oklch(71.64% 0.115 246.2)
XYZ	xyz(33.9389, 37.1686, 80.9715)
Luminance	0.3717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AAE7 #E7A063

analogous

#63E7E2 #63AAE7 #6368E7

triadic

#63AAE7 #E763AA #AAE763

tetradic

#63AAE7 #E263E7 #E7A063 #68E763

square

#63AAE7 #E263E7 #E7A063 #68E763

split-complementary

#63AAE7 #E76368 #E7E263

monochromatic

#1C6EB4 #2E8DDF #63AAE7 #98C7EF #CDE4F7

Accessibility & contrast

On white

2.49

#63AAE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#63AAE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AAE7

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AAE7	#FFFFFF	#000000	##000000
##63AAE7	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90ABEA

Deuteranopia (green-blind)

#7E9EE6

Tritanopia (blue-blind)

#00B9BF

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #63aae7;
/* rgb */ color: rgb(99, 170, 231);
/* oklch */ color: oklch(71.6% 0.115 246.2);

Tailwind

colors: {
  custom: {
    50: '#99c3ef',
    500: '#63aae7',
    950: '#000000',
  },
}

SCSS

$custom: #63aae7;
$custom-light: #99c3ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63aae7",
  "rgb": {
    "r": 99,
    "g": 170,
    "b": 231
  },
  "hsl": {
    "h": 207.727,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.71644,
    "c": 0.11476,
    "h": 246.2
  },
  "luminance": 0.37172
}

Semantic roles & 50–950 ramp

primary

#63AAE7

secondary

#EAD1BC

accent

#6B10D5

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63AAE7

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

Preview Lab → · Contrast checker → · Palette generator →