#63A5EA#63A5EA

#63A5EA is a light, vivid cyan. Relative luminance 0.355; OKLCH L 70.7% C 0.122 H 250.9°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#63A5EA
RGB	rgb(99, 165, 234)
HSL	hsl(211, 76%, 65%)
HSV	hsv(211, 58%, 92%)
CMYK	cmyk(57.7%, 29.5%, 0%, 8.2%)
CIE-LAB	lab(66.14, -1.04, -41.02)
CIE-LCH	lch(66.14, 41.04, 268.55°)
OKLab	oklab(70.69% -0.04 -0.1155)
OKLCH	oklch(70.69% 0.122 250.9)
XYZ	xyz(33.4467, 35.5005, 82.9156)
Luminance	0.3550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A5EA #EAA863

analogous

#63E8EA #63A5EA #6563EA

triadic

#63A5EA #EA63A5 #A5EA63

tetradic

#63A5EA #EA63E8 #EAA863 #63EA65

square

#63A5EA #EA63E8 #EAA863 #63EA65

split-complementary

#63A5EA #EA6563 #E8EA63

monochromatic

#1968BA #2D86E3 #63A5EA #99C4F1 #CFE3F9

Accessibility & contrast

On white

2.59

#63A5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#63A5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A5EA

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A5EA	#FFFFFF	#000000	##000000
##63A5EA	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#88A8ED

Deuteranopia (green-blind)

#769BE9

Tritanopia (blue-blind)

#00B5BD

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63a5ea;
/* rgb */ color: rgb(99, 165, 234);
/* oklch */ color: oklch(70.7% 0.122 250.9);

Tailwind

colors: {
  custom: {
    50: '#99bff1',
    500: '#63a5ea',
    950: '#000000',
  },
}

SCSS

$custom: #63a5ea;
$custom-light: #99bff1;
$custom-dark: #000000;

JSON

{
  "hex": "#63a5ea",
  "rgb": {
    "r": 99,
    "g": 165,
    "b": 234
  },
  "hsl": {
    "h": 210.667,
    "s": 76.271,
    "l": 65.294
  },
  "oklch": {
    "l": 0.7069,
    "c": 0.12226,
    "h": 250.9
  },
  "luminance": 0.35503
}

Semantic roles & 50–950 ramp

primary

#63A5EA

secondary

#EBD5BE

accent

#750DD8

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63A5EA

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

Preview Lab → · Contrast checker → · Palette generator →