#63A9E7#63A9E7

#63A9E7 is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.4% C 0.116 H 247.0°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#63A9E7
RGB	rgb(99, 169, 231)
HSL	hsl(208, 73%, 65%)
HSV	hsv(208, 57%, 91%)
CMYK	cmyk(57.1%, 26.8%, 0%, 9.4%)
CIE-LAB	lab(67.12, -4.22, -37.84)
CIE-LCH	lch(67.12, 38.07, 263.64°)
OKLab	oklab(71.42% -0.0452 -0.1063)
OKLCH	oklch(71.42% 0.116 247)
XYZ	xyz(33.7521, 36.7951, 80.9093)
Luminance	0.3680 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A9E7 #E7A163

analogous

#63E7E3 #63A9E7 #6367E7

triadic

#63A9E7 #E763A9 #A9E763

tetradic

#63A9E7 #E363E7 #E7A163 #67E763

square

#63A9E7 #E363E7 #E7A163 #67E763

split-complementary

#63A9E7 #E76367 #E7E363

monochromatic

#1C6CB4 #2E8CDF #63A9E7 #98C6EF #CDE3F7

Accessibility & contrast

On white

2.51

#63A9E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.36

#63A9E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A9E7

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A9E7	#FFFFFF	#000000	##000000
##63A9E7	1.00	2.51	8.36	8.36
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.36	21.00	1.00	1.00
##000000	8.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FABEA

Deuteranopia (green-blind)

#7D9EE6

Tritanopia (blue-blind)

#00B8BE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a9e7;
/* rgb */ color: rgb(99, 169, 231);
/* oklch */ color: oklch(71.4% 0.116 247.0);

Tailwind

colors: {
  custom: {
    50: '#99c2ef',
    500: '#63a9e7',
    950: '#000000',
  },
}

SCSS

$custom: #63a9e7;
$custom-light: #99c2ef;
$custom-dark: #000000;

JSON

{
  "hex": "#63a9e7",
  "rgb": {
    "r": 99,
    "g": 169,
    "b": 231
  },
  "hsl": {
    "h": 208.182,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.71423,
    "c": 0.1155,
    "h": 247
  },
  "luminance": 0.36798
}

Semantic roles & 50–950 ramp

primary

#63A9E7

secondary

#EAD2BC

accent

#6D10D5

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A9E7

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

Preview Lab → · Contrast checker → · Palette generator →