#63B6EE#63B6EE

#63B6EE is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.6% C 0.115 H 240.2°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#63B6EE
RGB	rgb(99, 182, 238)
HSL	hsl(204, 80%, 66%)
HSV	hsv(204, 58%, 93%)
CMYK	cmyk(58.4%, 23.5%, 0%, 6.7%)
CIE-LAB	lab(71.06, -9.20, -35.53)
CIE-LCH	lch(71.06, 36.70, 255.48°)
OKLab	oklab(74.63% -0.057 -0.0996)
OKLCH	oklch(74.63% 0.115 240.2)
XYZ	xyz(37.3004, 42.2781, 87.0671)
Luminance	0.4228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B6EE #EE9B63

analogous

#63EEE1 #63B6EE #6370EE

triadic

#63B6EE #EE63B6 #B6EE63

tetradic

#63B6EE #E163EE #EE9B63 #70EE63

square

#63B6EE #E163EE #EE9B63 #70EE63

split-complementary

#63B6EE #EE6370 #EEE163

monochromatic

#157CC2 #2C9CE8 #63B6EE #9AD0F4 #D1EAFA

Accessibility & contrast

On white

2.22

#63B6EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#63B6EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B6EE

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B6EE	#FFFFFF	#000000	##000000
##63B6EE	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB6F1

Deuteranopia (green-blind)

#8AA8ED

Tritanopia (blue-blind)

#00C4C9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63b6ee;
/* rgb */ color: rgb(99, 182, 238);
/* oklch */ color: oklch(74.6% 0.115 240.2);

Tailwind

colors: {
  custom: {
    50: '#9acbf3',
    500: '#63b6ee',
    950: '#000000',
  },
}

SCSS

$custom: #63b6ee;
$custom-light: #9acbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63b6ee",
  "rgb": {
    "r": 99,
    "g": 182,
    "b": 238
  },
  "hsl": {
    "h": 204.173,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.7463,
    "c": 0.1147,
    "h": 240.2
  },
  "luminance": 0.42282
}

Semantic roles & 50–950 ramp

primary

#63B6EE

secondary

#EDD2C0

accent

#5E09DD

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B6EE

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

Preview Lab → · Contrast checker → · Palette generator →