#63B4CD#63B4CD

#63B4CD is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.8% C 0.087 H 220.2°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#63B4CD
RGB	rgb(99, 180, 205)
HSL	hsl(194, 51%, 60%)
HSV	hsv(194, 52%, 80%)
CMYK	cmyk(51.7%, 12.2%, 0%, 19.6%)
CIE-LAB	lab(69.26, -17.91, -20.28)
CIE-LCH	lch(69.26, 27.05, 228.55°)
OKLab	oklab(72.79% -0.0665 -0.0561)
OKLCH	oklch(72.79% 0.087 220.2)
XYZ	xyz(32.4821, 39.7001, 63.6969)
Luminance	0.3970 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B4CD #CD7C63

analogous

#63CDB1 #63B4CD #637FCD

triadic

#63B4CD #CD63B4 #B4CD63

tetradic

#63B4CD #B163CD #CD7C63 #7FCD63

square

#63B4CD #B163CD #CD7C63 #7FCD63

split-complementary

#63B4CD #CD637F #CDB163

monochromatic

#2C738A #3B9AB8 #63B4CD #91CADC #C0E1EB

Accessibility & contrast

On white

2.35

#63B4CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#63B4CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B4CD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B4CD	#FFFFFF	#000000	##000000
##63B4CD	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CE

Deuteranopia (green-blind)

#95A4CD

Tritanopia (blue-blind)

#1DBCBC

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #63b4cd;
/* rgb */ color: rgb(99, 180, 205);
/* oklch */ color: oklch(72.8% 0.087 220.2);

Tailwind

colors: {
  custom: {
    50: '#97cadc',
    500: '#63b4cd',
    950: '#000000',
  },
}

SCSS

$custom: #63b4cd;
$custom-light: #97cadc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b4cd",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 205
  },
  "hsl": {
    "h": 194.151,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.72785,
    "c": 0.08701,
    "h": 220.2
  },
  "luminance": 0.39703
}

Semantic roles & 50–950 ramp

primary

#63B4CD

secondary

#DABBB1

accent

#6E4DDB

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B4CD

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

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