#63B7CD#63B7CD

#63B7CD is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.5% C 0.087 H 216.9°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#63B7CD
RGB	rgb(99, 183, 205)
HSL	hsl(192, 51%, 60%)
HSV	hsv(192, 52%, 80%)
CMYK	cmyk(51.7%, 10.7%, 0%, 19.6%)
CIE-LAB	lab(70.12, -19.46, -18.96)
CIE-LCH	lch(70.12, 27.17, 224.25°)
OKLab	oklab(73.48% -0.0699 -0.0524)
OKLCH	oklch(73.48% 0.087 216.9)
XYZ	xyz(33.0943, 40.9245, 63.9010)
Luminance	0.4093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B7CD #CD7963

analogous

#63CDAE #63B7CD #6382CD

triadic

#63B7CD #CD63B7 #B7CD63

tetradic

#63B7CD #AE63CD #CD7963 #82CD63

square

#63B7CD #AE63CD #CD7963 #82CD63

split-complementary

#63B7CD #CD6382 #CDAE63

monochromatic

#2C768A #3B9EB8 #63B7CD #91CCDC #C0E2EB

Accessibility & contrast

On white

2.29

#63B7CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#63B7CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B7CD

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B7CD	#FFFFFF	#000000	##000000
##63B7CD	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B2CE

Deuteranopia (green-blind)

#98A6CD

Tritanopia (blue-blind)

#1BBFBE

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63b7cd;
/* rgb */ color: rgb(99, 183, 205);
/* oklch */ color: oklch(73.5% 0.087 216.9);

Tailwind

colors: {
  custom: {
    50: '#97ccdc',
    500: '#63b7cd',
    950: '#000000',
  },
}

SCSS

$custom: #63b7cd;
$custom-light: #97ccdc;
$custom-dark: #000000;

JSON

{
  "hex": "#63b7cd",
  "rgb": {
    "r": 99,
    "g": 183,
    "b": 205
  },
  "hsl": {
    "h": 192.453,
    "s": 51.456,
    "l": 59.608
  },
  "oklch": {
    "l": 0.73478,
    "c": 0.08737,
    "h": 216.9
  },
  "luminance": 0.40927
}

Semantic roles & 50–950 ramp

primary

#63B7CD

secondary

#DABAB1

accent

#6A4DDB

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #63B7CD

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

Preview Lab → · Contrast checker → · Palette generator →