#63A6EA#63A6EA

#63A6EA is a light, vivid cyan. Relative luminance 0.359; OKLCH L 70.9% C 0.121 H 250.2°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#63A6EA
RGB	rgb(99, 166, 234)
HSL	hsl(210, 76%, 65%)
HSV	hsv(210, 58%, 92%)
CMYK	cmyk(57.7%, 29.1%, 0%, 8.2%)
CIE-LAB	lab(66.41, -1.60, -40.59)
CIE-LCH	lch(66.41, 40.62, 267.74°)
OKLab	oklab(70.91% -0.0411 -0.1143)
OKLCH	oklch(70.91% 0.121 250.2)
XYZ	xyz(33.6277, 35.8626, 82.9760)
Luminance	0.3587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A6EA #EAA763

analogous

#63EAEA #63A6EA #6363EA

triadic

#63A6EA #EA63A6 #A6EA63

tetradic

#63A6EA #EA63EA #EAA763 #63EA63

square

#63A6EA #EA63EA #EAA763 #63EA63

split-complementary

#63A6EA #EA6363 #EAEA63

monochromatic

#1969BA #2D87E3 #63A6EA #99C5F1 #CFE4F9

Accessibility & contrast

On white

2.57

#63A6EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#63A6EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A6EA

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A6EA	#FFFFFF	#000000	##000000
##63A6EA	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#89A9ED

Deuteranopia (green-blind)

#789CE9

Tritanopia (blue-blind)

#00B6BE

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a6ea;
/* rgb */ color: rgb(99, 166, 234);
/* oklch */ color: oklch(70.9% 0.121 250.2);

Tailwind

colors: {
  custom: {
    50: '#99c0f1',
    500: '#63a6ea',
    950: '#000000',
  },
}

SCSS

$custom: #63a6ea;
$custom-light: #99c0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63a6ea",
  "rgb": {
    "r": 99,
    "g": 166,
    "b": 234
  },
  "hsl": {
    "h": 210.222,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.70909,
    "c": 0.12142,
    "h": 250.2
  },
  "luminance": 0.35866
}

Semantic roles & 50–950 ramp

primary

#63A6EA

secondary

#EBD5BE

accent

#740DD8

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A6EA

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

Preview Lab → · Contrast checker → · Palette generator →