#63AFEE#63AFEE

#63AFEE is a light, moderate cyan. Relative luminance 0.395; OKLCH L 73.1% C 0.119 H 245.5°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#63AFEE
RGB	rgb(99, 175, 238)
HSL	hsl(207, 80%, 66%)
HSV	hsv(207, 58%, 93%)
CMYK	cmyk(58.4%, 26.5%, 0%, 6.7%)
CIE-LAB	lab(69.10, -5.37, -38.58)
CIE-LCH	lch(69.10, 38.95, 262.08°)
OKLab	oklab(73.08% -0.0495 -0.1084)
OKLCH	oklch(73.08% 0.119 245.5)
XYZ	xyz(35.9025, 39.4824, 86.6012)
Luminance	0.3949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63AFEE #EEA263

analogous

#63EEE7 #63AFEE #6369EE

triadic

#63AFEE #EE63AF #AFEE63

tetradic

#63AFEE #E763EE #EEA263 #69EE63

square

#63AFEE #E763EE #EEA263 #69EE63

split-complementary

#63AFEE #EE6369 #EEE763

monochromatic

#1573C2 #2C93E8 #63AFEE #9ACBF4 #D1E8FA

Accessibility & contrast

On white

2.36

#63AFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#63AFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63AFEE

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63AFEE	#FFFFFF	#000000	##000000
##63AFEE	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B0F1

Deuteranopia (green-blind)

#81A3ED

Tritanopia (blue-blind)

#00BEC5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63afee;
/* rgb */ color: rgb(99, 175, 238);
/* oklch */ color: oklch(73.1% 0.119 245.5);

Tailwind

colors: {
  custom: {
    50: '#9ac6f3',
    500: '#63afee',
    950: '#000000',
  },
}

SCSS

$custom: #63afee;
$custom-light: #9ac6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63afee",
  "rgb": {
    "r": 99,
    "g": 175,
    "b": 238
  },
  "hsl": {
    "h": 207.194,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.73079,
    "c": 0.11917,
    "h": 245.5
  },
  "luminance": 0.39486
}

Semantic roles & 50–950 ramp

primary

#63AFEE

secondary

#EDD4C0

accent

#6909DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63AFEE

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

Preview Lab → · Contrast checker → · Palette generator →