#63B0EA#63B0EA

#63B0EA is a light, moderate cyan. Relative luminance 0.396; OKLCH L 73.1% C 0.114 H 243.0°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#63B0EA
RGB	rgb(99, 176, 234)
HSL	hsl(206, 76%, 65%)
HSV	hsv(206, 58%, 92%)
CMYK	cmyk(57.7%, 24.8%, 0%, 8.2%)
CIE-LAB	lab(69.21, -7.16, -36.22)
CIE-LCH	lch(69.21, 36.92, 258.82°)
OKLab	oklab(73.11% -0.0518 -0.1016)
OKLCH	oklch(73.11% 0.114 243)
XYZ	xyz(35.5167, 39.6406, 83.6057)
Luminance	0.3964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B0EA #EA9D63

analogous

#63EAE1 #63B0EA #636CEA

triadic

#63B0EA #EA63B0 #B0EA63

tetradic

#63B0EA #E163EA #EA9D63 #6CEA63

square

#63B0EA #E163EA #EA9D63 #6CEA63

split-complementary

#63B0EA #EA636C #EAE163

monochromatic

#1975BA #2D95E3 #63B0EA #99CBF1 #CFE7F9

Accessibility & contrast

On white

2.35

#63B0EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#63B0EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B0EA

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B0EA	#FFFFFF	#000000	##000000
##63B0EA	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B1ED

Deuteranopia (green-blind)

#84A3E9

Tritanopia (blue-blind)

#00BEC4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b0ea;
/* rgb */ color: rgb(99, 176, 234);
/* oklch */ color: oklch(73.1% 0.114 243.0);

Tailwind

colors: {
  custom: {
    50: '#99c7f1',
    500: '#63b0ea',
    950: '#000000',
  },
}

SCSS

$custom: #63b0ea;
$custom-light: #99c7f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63b0ea",
  "rgb": {
    "r": 99,
    "g": 176,
    "b": 234
  },
  "hsl": {
    "h": 205.778,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.73114,
    "c": 0.11405,
    "h": 243
  },
  "luminance": 0.39644
}

Semantic roles & 50–950 ramp

primary

#63B0EA

secondary

#EBD1BE

accent

#640DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #63B0EA

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

Preview Lab → · Contrast checker → · Palette generator →