#63A7EB#63A7EB

#63A7EB is a light, vivid cyan. Relative luminance 0.363; OKLCH L 71.2% C 0.122 H 249.9°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#63A7EB
RGB	rgb(99, 167, 235)
HSL	hsl(210, 77%, 65%)
HSV	hsv(210, 58%, 92%)
CMYK	cmyk(57.9%, 28.9%, 0%, 7.8%)
CIE-LAB	lab(66.74, -1.85, -40.63)
CIE-LCH	lch(66.74, 40.67, 267.39°)
OKLab	oklab(71.18% -0.0419 -0.1144)
OKLCH	oklch(71.18% 0.122 249.9)
XYZ	xyz(33.9543, 36.2852, 83.7956)
Luminance	0.3629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A7EB #EBA763

analogous

#63EBEB #63A7EB #6363EB

triadic

#63A7EB #EB63A7 #A7EB63

tetradic

#63A7EB #EB63EB #EBA763 #63EB63

square

#63A7EB #EB63EB #EBA763 #63EB63

split-complementary

#63A7EB #EB6363 #EBEB63

monochromatic

#186ABC #2D88E4 #63A7EB #99C6F2 #CFE4F9

Accessibility & contrast

On white

2.54

#63A7EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#63A7EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A7EB

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A7EB	#FFFFFF	#000000	##000000
##63A7EB	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AAAEE

Deuteranopia (green-blind)

#789CEA

Tritanopia (blue-blind)

#00B7BF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63a7eb;
/* rgb */ color: rgb(99, 167, 235);
/* oklch */ color: oklch(71.2% 0.122 249.9);

Tailwind

colors: {
  custom: {
    50: '#99c0f1',
    500: '#63a7eb',
    950: '#000000',
  },
}

SCSS

$custom: #63a7eb;
$custom-light: #99c0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#63a7eb",
  "rgb": {
    "r": 99,
    "g": 167,
    "b": 235
  },
  "hsl": {
    "h": 210,
    "s": 77.273,
    "l": 65.49
  },
  "oklch": {
    "l": 0.71177,
    "c": 0.1218,
    "h": 249.9
  },
  "luminance": 0.36288
}

Semantic roles & 50–950 ramp

primary

#63A7EB

secondary

#ECD5BE

accent

#730CDA

background

#F9FBFE

surface

#F2F7FD

border

#CCD0D5

text

#0F1217

muted

#7E8185

Preview Lab

Preview with #63A7EB

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

Preview Lab → · Contrast checker → · Palette generator →