#63B4ED#63B4ED

#63B4ED is a light, moderate cyan. Relative luminance 0.414; OKLCH L 74.1% C 0.115 H 241.3°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#63B4ED
RGB	rgb(99, 180, 237)
HSL	hsl(205, 79%, 66%)
HSV	hsv(205, 58%, 93%)
CMYK	cmyk(58.2%, 24.1%, 0%, 7.1%)
CIE-LAB	lab(70.46, -8.42, -35.92)
CIE-LCH	lch(70.46, 36.89, 256.81°)
OKLab	oklab(74.14% -0.0552 -0.1007)
OKLCH	oklch(74.14% 0.115 241.3)
XYZ	xyz(36.7472, 41.4062, 86.1600)
Luminance	0.4141 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4ED #ED9C63

analogous

#63EDE1 #63B4ED #636FED

triadic

#63B4ED #ED63B4 #B4ED63

tetradic

#63B4ED #E163ED #ED9C63 #6FED63

square

#63B4ED #E163ED #ED9C63 #6FED63

split-complementary

#63B4ED #ED636F #EDE163

monochromatic

#167AC0 #2C9AE7 #63B4ED #9ACEF3 #D1E9FA

Accessibility & contrast

On white

2.26

#63B4ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#63B4ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4ED

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4ED	#FFFFFF	#000000	##000000
##63B4ED	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB4F0

Deuteranopia (green-blind)

#88A6EC

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #63b4ed;
/* rgb */ color: rgb(99, 180, 237);
/* oklch */ color: oklch(74.1% 0.115 241.3);

Tailwind

colors: {
  custom: {
    50: '#9acaf3',
    500: '#63b4ed',
    950: '#000000',
  },
}

SCSS

$custom: #63b4ed;
$custom-light: #9acaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4ed",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 237
  },
  "hsl": {
    "h": 204.783,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.7414,
    "c": 0.11482,
    "h": 241.3
  },
  "luminance": 0.4141
}

Semantic roles & 50–950 ramp

primary

#63B4ED

secondary

#EDD2BF

accent

#610ADC

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B4ED

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

Preview Lab → · Contrast checker → · Palette generator →