#63AEE7#63AEE7

#63AEE7 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.5% C 0.112 H 243.1°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#63AEE7
RGB	rgb(99, 174, 231)
HSL	hsl(206, 73%, 65%)
HSV	hsv(206, 57%, 91%)
CMYK	cmyk(57.1%, 24.7%, 0%, 9.4%)
CIE-LAB	lab(68.53, -6.98, -35.65)
CIE-LCH	lch(68.53, 36.33, 258.92°)
OKLab	oklab(72.53% -0.0506 -0.0999)
OKLCH	oklch(72.53% 0.112 243.1)
XYZ	xyz(34.7001, 38.6912, 81.2253)
Luminance	0.3869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AEE7 #E79C63

analogous

#63E7DE #63AEE7 #636CE7

triadic

#63AEE7 #E763AE #AEE763

tetradic

#63AEE7 #DE63E7 #E79C63 #6CE763

square

#63AEE7 #DE63E7 #E79C63 #6CE763

split-complementary

#63AEE7 #E7636C #E7DE63

monochromatic

#1C72B4 #2E92DF #63AEE7 #98CAEF #CDE5F7

Accessibility & contrast

On white

2.40

#63AEE7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#63AEE7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AEE7

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AEE7	#FFFFFF	#000000	##000000
##63AEE7	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95AFEA

Deuteranopia (green-blind)

#83A1E6

Tritanopia (blue-blind)

#00BCC1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63aee7;
/* rgb */ color: rgb(99, 174, 231);
/* oklch */ color: oklch(72.5% 0.112 243.1);

Tailwind

colors: {
  custom: {
    50: '#99c6ef',
    500: '#63aee7',
    950: '#000000',
  },
}

SCSS

$custom: #63aee7;
$custom-light: #99c6ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63aee7",
  "rgb": {
    "r": 99,
    "g": 174,
    "b": 231
  },
  "hsl": {
    "h": 205.909,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.72531,
    "c": 0.11204,
    "h": 243.1
  },
  "luminance": 0.38694
}

Semantic roles & 50–950 ramp

primary

#63AEE7

secondary

#EAD0BC

accent

#6510D5

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1316

muted

#7E8284

Preview Lab

Preview with #63AEE7

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

Preview Lab → · Contrast checker → · Palette generator →