#63ACBC#63ACBC

#63ACBC is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.3% C 0.077 H 213.4°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#63ACBC
RGB	rgb(99, 172, 188)
HSL	hsl(191, 40%, 56%)
HSV	hsv(191, 47%, 74%)
CMYK	cmyk(47.3%, 8.5%, 0%, 26.3%)
CIE-LAB	lab(66.36, -18.49, -15.28)
CIE-LCH	lch(66.36, 23.98, 219.58°)
OKLab	oklab(70.28% -0.0639 -0.0421)
OKLCH	oklch(70.28% 0.077 213.4)
XYZ	xyz(28.9718, 35.7862, 52.9479)
Luminance	0.3579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ACBC #BC7363

analogous

#63BCA0 #63ACBC #6380BC

triadic

#63ACBC #BC63AC #ACBC63

tetradic

#63ACBC #A063BC #BC7363 #80BC63

square

#63ACBC #A063BC #BC7363 #80BC63

split-complementary

#63ACBC #BC6380 #BCA063

monochromatic

#316773 #448E9E #63ACBC #8EC3CE #B9DAE1

Accessibility & contrast

On white

2.57

#63ACBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#63ACBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ACBC

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ACBC	#FFFFFF	#000000	##000000
##63ACBC	1.00	2.57	8.16	8.16
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.16	21.00	1.00	1.00
##000000	8.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0A7BD

Deuteranopia (green-blind)

#929DBC

Tritanopia (blue-blind)

#35B3B1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63acbc;
/* rgb */ color: rgb(99, 172, 188);
/* oklch */ color: oklch(70.3% 0.077 213.4);

Tailwind

colors: {
  custom: {
    50: '#95c4d0',
    500: '#63acbc',
    950: '#000000',
  },
}

SCSS

$custom: #63acbc;
$custom-light: #95c4d0;
$custom-dark: #000000;

JSON

{
  "hex": "#63acbc",
  "rgb": {
    "r": 99,
    "g": 172,
    "b": 188
  },
  "hsl": {
    "h": 190.787,
    "s": 39.91,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70278,
    "c": 0.07653,
    "h": 213.4
  },
  "luminance": 0.35789
}

Semantic roles & 50–950 ramp

primary

#63ACBC

secondary

#D0B2AB

accent

#6E58D0

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0E1214

muted

#7E8182

Preview Lab

Preview with #63ACBC

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

Preview Lab → · Contrast checker → · Palette generator →