#63A7ED#63A7ED

#63A7ED is a light, vivid cyan. Relative luminance 0.364; OKLCH L 71.3% C 0.124 H 250.6°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#63A7ED
RGB	rgb(99, 167, 237)
HSL	hsl(210, 79%, 66%)
HSV	hsv(210, 58%, 93%)
CMYK	cmyk(58.2%, 29.5%, 0%, 7.1%)
CIE-LAB	lab(66.83, -1.22, -41.59)
CIE-LCH	lch(66.83, 41.60, 268.32°)
OKLab	oklab(71.28% -0.0413 -0.1171)
OKLCH	oklch(71.28% 0.124 250.6)
XYZ	xyz(34.2449, 36.4015, 85.3259)
Luminance	0.3640 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7ED #EDA963

analogous

#63ECED #63A7ED #6463ED

triadic

#63A7ED #ED63A7 #A7ED63

tetradic

#63A7ED #ED63EC #EDA963 #63ED64

square

#63A7ED #ED63EC #EDA963 #63ED64

split-complementary

#63A7ED #ED6463 #ECED63

monochromatic

#166AC0 #2C88E7 #63A7ED #9AC6F3 #D1E5FA

Accessibility & contrast

On white

2.54

#63A7ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#63A7ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7ED

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7ED	#FFFFFF	#000000	##000000
##63A7ED	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAAF0

Deuteranopia (green-blind)

#779DEC

Tritanopia (blue-blind)

#00B7C0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #63a7ed;
/* rgb */ color: rgb(99, 167, 237);
/* oklch */ color: oklch(71.3% 0.124 250.6);

Tailwind

colors: {
  custom: {
    50: '#99c0f3',
    500: '#63a7ed',
    950: '#000000',
  },
}

SCSS

$custom: #63a7ed;
$custom-light: #99c0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7ed",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 237
  },
  "hsl": {
    "h": 210.435,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.71275,
    "c": 0.12421,
    "h": 250.6
  },
  "luminance": 0.36405
}

Semantic roles & 50–950 ramp

primary

#63A7ED

secondary

#EDD6BF

accent

#740ADC

background

#FAFBFE

surface

#F3F7FD

border

#CDD0D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #63A7ED

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

Preview Lab → · Contrast checker → · Palette generator →