#63B2EA#63B2EA

#63B2EA is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.6% C 0.113 H 241.4°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#63B2EA
RGB	rgb(99, 178, 234)
HSL	hsl(205, 76%, 65%)
HSV	hsv(205, 58%, 92%)
CMYK	cmyk(57.7%, 23.9%, 0%, 8.2%)
CIE-LAB	lab(69.78, -8.25, -35.35)
CIE-LCH	lch(69.78, 36.30, 256.86°)
OKLab	oklab(73.56% -0.054 -0.0991)
OKLCH	oklch(73.56% 0.113 241.4)
XYZ	xyz(35.9118, 40.4307, 83.7373)
Luminance	0.4043 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B2EA #EA9B63

analogous

#63EADF #63B2EA #636EEA

triadic

#63B2EA #EA63B2 #B2EA63

tetradic

#63B2EA #DF63EA #EA9B63 #6EEA63

square

#63B2EA #DF63EA #EA9B63 #6EEA63

split-complementary

#63B2EA #EA636E #EADF63

monochromatic

#1977BA #2D97E3 #63B2EA #99CDF1 #CFE7F9

Accessibility & contrast

On white

2.31

#63B2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#63B2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B2EA

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B2EA	#FFFFFF	#000000	##000000
##63B2EA	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B2ED

Deuteranopia (green-blind)

#87A4E9

Tritanopia (blue-blind)

#00C0C5

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b2ea;
/* rgb */ color: rgb(99, 178, 234);
/* oklch */ color: oklch(73.6% 0.113 241.4);

Tailwind

colors: {
  custom: {
    50: '#99c8f1',
    500: '#63b2ea',
    950: '#000000',
  },
}

SCSS

$custom: #63b2ea;
$custom-light: #99c8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63b2ea",
  "rgb": {
    "r": 99,
    "g": 178,
    "b": 234
  },
  "hsl": {
    "h": 204.889,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.73558,
    "c": 0.11281,
    "h": 241.4
  },
  "luminance": 0.40434
}

Semantic roles & 50–950 ramp

primary

#63B2EA

secondary

#EBD1BE

accent

#610DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #63B2EA

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

Preview Lab → · Contrast checker → · Palette generator →