#63A4BC#63A4BC

#63A4BC is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.4% C 0.075 H 223.7°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#63A4BC
RGB	rgb(99, 164, 188)
HSL	hsl(196, 40%, 56%)
HSV	hsv(196, 47%, 74%)
CMYK	cmyk(47.3%, 12.8%, 0%, 26.3%)
CIE-LAB	lab(64.02, -14.26, -18.81)
CIE-LCH	lch(64.02, 23.60, 232.85°)
OKLab	oklab(68.42% -0.0544 -0.052)
OKLCH	oklch(68.42% 0.075 223.7)
XYZ	xyz(27.4948, 32.8323, 52.4556)
Luminance	0.3283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63A4BC #BC7B63

analogous

#63BCA8 #63A4BC #6378BC

triadic

#63A4BC #BC63A4 #A4BC63

tetradic

#63A4BC #A863BC #BC7B63 #78BC63

square

#63A4BC #A863BC #BC7B63 #78BC63

split-complementary

#63A4BC #BC6378 #BCA863

monochromatic

#316173 #44869E #63A4BC #8EBDCE #B9D6E1

Accessibility & contrast

On white

2.78

#63A4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#63A4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63A4BC

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63A4BC	#FFFFFF	#000000	##000000
##63A4BC	1.00	2.78	7.57	7.57
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A1BD

Deuteranopia (green-blind)

#8997BC

Tritanopia (blue-blind)

#37ACAC

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #63a4bc;
/* rgb */ color: rgb(99, 164, 188);
/* oklch */ color: oklch(68.4% 0.075 223.7);

Tailwind

colors: {
  custom: {
    50: '#94bfd0',
    500: '#63a4bc',
    950: '#000000',
  },
}

SCSS

$custom: #63a4bc;
$custom-light: #94bfd0;
$custom-dark: #000000;

JSON

{
  "hex": "#63a4bc",
  "rgb": {
    "r": 99,
    "g": 164,
    "b": 188
  },
  "hsl": {
    "h": 196.18,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.68417,
    "c": 0.07523,
    "h": 223.7
  },
  "luminance": 0.32834
}

Semantic roles & 50–950 ramp

primary

#63A4BC

secondary

#D0B5AB

accent

#7858D0

background

#F9FBFC

surface

#F2F7F9

border

#CCD0D2

text

#0E1214

muted

#7E8182

Preview Lab

Preview with #63A4BC

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

Preview Lab → · Contrast checker → · Palette generator →