#63B2ED#63B2ED

#63B2ED is a light, moderate cyan. Relative luminance 0.406; OKLCH L 73.7% C 0.116 H 242.8°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#63B2ED
RGB	rgb(99, 178, 237)
HSL	hsl(206, 79%, 66%)
HSV	hsv(206, 58%, 93%)
CMYK	cmyk(58.2%, 24.9%, 0%, 7.1%)
CIE-LAB	lab(69.90, -7.33, -36.79)
CIE-LCH	lch(69.90, 37.52, 258.73°)
OKLab	oklab(73.7% -0.053 -0.1032)
OKLCH	oklch(73.7% 0.116 242.8)
XYZ	xyz(36.3464, 40.6045, 86.0264)
Luminance	0.4061 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2ED #ED9E63

analogous

#63EDE3 #63B2ED #636DED

triadic

#63B2ED #ED63B2 #B2ED63

tetradic

#63B2ED #E363ED #ED9E63 #6DED63

square

#63B2ED #E363ED #ED9E63 #6DED63

split-complementary

#63B2ED #ED636D #EDE363

monochromatic

#1677C0 #2C97E7 #63B2ED #9ACDF3 #D1E8FA

Accessibility & contrast

On white

2.30

#63B2ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#63B2ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2ED

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2ED	#FFFFFF	#000000	##000000
##63B2ED	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B3F0

Deuteranopia (green-blind)

#85A5EC

Tritanopia (blue-blind)

#00C0C6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b2ed;
/* rgb */ color: rgb(99, 178, 237);
/* oklch */ color: oklch(73.7% 0.116 242.8);

Tailwind

colors: {
  custom: {
    50: '#9ac8f3',
    500: '#63b2ed',
    950: '#000000',
  },
}

SCSS

$custom: #63b2ed;
$custom-light: #9ac8f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2ed",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 237
  },
  "hsl": {
    "h": 205.652,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.73696,
    "c": 0.11604,
    "h": 242.8
  },
  "luminance": 0.40608
}

Semantic roles & 50–950 ramp

primary

#63B2ED

secondary

#EDD3BF

accent

#640ADC

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #63B2ED

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

Preview Lab → · Contrast checker → · Palette generator →