#63A7E9#63A7E9

#63A7E9 is a light, moderate cyan. Relative luminance 0.362; OKLCH L 71.1% C 0.119 H 249.2°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#63A7E9
RGB	rgb(99, 167, 233)
HSL	hsl(210, 75%, 65%)
HSV	hsv(210, 58%, 91%)
CMYK	cmyk(57.5%, 28.3%, 0%, 8.6%)
CIE-LAB	lab(66.65, -2.48, -39.67)
CIE-LCH	lch(66.65, 39.75, 266.43°)
OKLab	oklab(71.08% -0.0424 -0.1116)
OKLCH	oklch(71.08% 0.119 249.2)
XYZ	xyz(33.6670, 36.1703, 82.2824)
Luminance	0.3617 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7E9 #E9A563

analogous

#63E9E8 #63A7E9 #6364E9

triadic

#63A7E9 #E963A7 #A7E963

tetradic

#63A7E9 #E863E9 #E9A563 #64E963

square

#63A7E9 #E863E9 #E9A563 #64E963

split-complementary

#63A7E9 #E96364 #E9E863

monochromatic

#1A6AB8 #2D89E1 #63A7E9 #99C5F1 #CEE4F8

Accessibility & contrast

On white

2.55

#63A7E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#63A7E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7E9

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7E9	#FFFFFF	#000000	##000000
##63A7E9	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BA9EC

Deuteranopia (green-blind)

#799CE8

Tritanopia (blue-blind)

#00B6BE

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a7e9;
/* rgb */ color: rgb(99, 167, 233);
/* oklch */ color: oklch(71.1% 0.119 249.2);

Tailwind

colors: {
  custom: {
    50: '#99c0f0',
    500: '#63a7e9',
    950: '#000000',
  },
}

SCSS

$custom: #63a7e9;
$custom-light: #99c0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7e9",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 233
  },
  "hsl": {
    "h": 209.552,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.71079,
    "c": 0.1194,
    "h": 249.2
  },
  "luminance": 0.36173
}

Semantic roles & 50–950 ramp

primary

#63A7E9

secondary

#EBD4BD

accent

#710ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A7E9

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

Preview Lab → · Contrast checker → · Palette generator →