#63758D#63758D

#63758D is a mid, muted cyan. Relative luminance 0.173; OKLCH L 55.7% C 0.043 H 255.7°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#63758D
RGB	rgb(99, 117, 141)
HSL	hsl(214, 18%, 47%)
HSV	hsv(214, 30%, 55%)
CMYK	cmyk(29.8%, 17%, 0%, 44.7%)
CIE-LAB	lab(48.63, -0.72, -15.25)
CIE-LCH	lch(48.63, 15.27, 267.28°)
OKLab	oklab(55.68% -0.0107 -0.0418)
OKLCH	oklch(55.68% 0.043 255.7)
XYZ	xyz(16.3132, 17.2977, 27.6734)
Luminance	0.1730 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63758D #8D7B63

analogous

#638A8D #63758D #66638D

triadic

#63758D #8D6375 #758D63

tetradic

#63758D #8D638A #8D7B63 #638D66

square

#63758D #8D638A #8D7B63 #638D66

split-complementary

#63758D #8D6663 #8A8D63

monochromatic

#313945 #4A5769 #63758D #8494A9 #A8B3C2

Accessibility & contrast

On white

4.71

#63758D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#63758D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63758D

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63758D	#FFFFFF	#000000	##FFFFFF
##63758D	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D768E

Deuteranopia (green-blind)

#68728C

Tritanopia (blue-blind)

#577A7D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #63758d;
/* rgb */ color: rgb(99, 117, 141);
/* oklch */ color: oklch(55.7% 0.043 255.7);

Tailwind

colors: {
  custom: {
    50: '#909cae',
    500: '#63758d',
    950: '#000000',
  },
}

SCSS

$custom: #63758d;
$custom-light: #909cae;
$custom-dark: #000000;

JSON

{
  "hex": "#63758d",
  "rgb": {
    "r": 99,
    "g": 117,
    "b": 141
  },
  "hsl": {
    "h": 214.286,
    "s": 17.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.55675,
    "c": 0.04318,
    "h": 255.7
  },
  "luminance": 0.17298
}

Semantic roles & 50–950 ramp

primary

#63758D

secondary

#B1A79B

accent

#996EBA

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E10

muted

#7D7E7F

Preview Lab

Preview with #63758D

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

Preview Lab → · Contrast checker → · Palette generator →