#63B5CD#63B5CD

#63B5CD is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.0% C 0.087 H 219.1°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#63B5CD
RGB	rgb(99, 181, 205)
HSL	hsl(194, 51%, 60%)
HSV	hsv(194, 52%, 80%)
CMYK	cmyk(51.7%, 11.7%, 0%, 19.6%)
CIE-LAB	lab(69.54, -18.43, -19.84)
CIE-LCH	lch(69.54, 27.08, 227.11°)
OKLab	oklab(73.02% -0.0676 -0.0549)
OKLCH	oklch(73.02% 0.087 219.1)
XYZ	xyz(32.6847, 40.1053, 63.7645)
Luminance	0.4011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B5CD #CD7B63

analogous

#63CDB0 #63B5CD #6380CD

triadic

#63B5CD #CD63B5 #B5CD63

tetradic

#63B5CD #B063CD #CD7B63 #80CD63

square

#63B5CD #B063CD #CD7B63 #80CD63

split-complementary

#63B5CD #CD6380 #CDB063

monochromatic

#2C748A #3B9CB8 #63B5CD #91CBDC #C0E1EB

Accessibility & contrast

On white

2.33

#63B5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#63B5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B5CD

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B5CD	#FFFFFF	#000000	##000000
##63B5CD	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B1CE

Deuteranopia (green-blind)

#96A5CD

Tritanopia (blue-blind)

#1DBDBC

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #63b5cd;
/* rgb */ color: rgb(99, 181, 205);
/* oklch */ color: oklch(73.0% 0.087 219.1);

Tailwind

colors: {
  custom: {
    50: '#97cbdc',
    500: '#63b5cd',
    950: '#000000',
  },
}

SCSS

$custom: #63b5cd;
$custom-light: #97cbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b5cd",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 205
  },
  "hsl": {
    "h": 193.585,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.73016,
    "c": 0.08711,
    "h": 219.1
  },
  "luminance": 0.40108
}

Semantic roles & 50–950 ramp

primary

#63B5CD

secondary

#DABBB1

accent

#6D4DDB

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B5CD

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

Preview Lab → · Contrast checker → · Palette generator →