#63A8E9#63A8E9

#63A8E9 is a light, moderate cyan. Relative luminance 0.365; OKLCH L 71.3% C 0.119 H 248.5°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#63A8E9
RGB	rgb(99, 168, 233)
HSL	hsl(209, 75%, 65%)
HSV	hsv(209, 58%, 91%)
CMYK	cmyk(57.5%, 27.9%, 0%, 8.6%)
CIE-LAB	lab(66.93, -3.04, -39.23)
CIE-LCH	lch(66.93, 39.35, 265.57°)
OKLab	oklab(71.3% -0.0435 -0.1103)
OKLCH	oklch(71.3% 0.119 248.5)
XYZ	xyz(33.8509, 36.5381, 82.3437)
Luminance	0.3654 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A8E9 #E9A463

analogous

#63E9E7 #63A8E9 #6365E9

triadic

#63A8E9 #E963A8 #A8E963

tetradic

#63A8E9 #E763E9 #E9A463 #65E963

square

#63A8E9 #E763E9 #E9A463 #65E963

split-complementary

#63A8E9 #E96365 #E9E763

monochromatic

#1A6BB8 #2D8AE1 #63A8E9 #99C6F1 #CEE4F8

Accessibility & contrast

On white

2.53

#63A8E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#63A8E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A8E9

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A8E9	#FFFFFF	#000000	##000000
##63A8E9	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CAAEC

Deuteranopia (green-blind)

#7B9DE8

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a8e9;
/* rgb */ color: rgb(99, 168, 233);
/* oklch */ color: oklch(71.3% 0.119 248.5);

Tailwind

colors: {
  custom: {
    50: '#99c1f0',
    500: '#63a8e9',
    950: '#000000',
  },
}

SCSS

$custom: #63a8e9;
$custom-light: #99c1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#63a8e9",
  "rgb": {
    "r": 99,
    "g": 168,
    "b": 233
  },
  "hsl": {
    "h": 209.104,
    "s": 75.281,
    "l": 65.098
  },
  "oklch": {
    "l": 0.71299,
    "c": 0.11861,
    "h": 248.5
  },
  "luminance": 0.36541
}

Semantic roles & 50–950 ramp

primary

#63A8E9

secondary

#EBD3BD

accent

#700ED7

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A8E9

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

Preview Lab → · Contrast checker → · Palette generator →