#63708D#63708D

#63708D is a mid, muted blue. Relative luminance 0.162; OKLCH L 54.5% C 0.048 H 265.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#63708D
RGB	rgb(99, 112, 141)
HSL	hsl(221, 18%, 47%)
HSV	hsv(221, 30%, 55%)
CMYK	cmyk(29.8%, 20.6%, 0%, 44.7%)
CIE-LAB	lab(47.19, 2.25, -17.45)
CIE-LCH	lch(47.19, 17.60, 277.33°)
OKLab	oklab(54.54% -0.0034 -0.048)
OKLCH	oklch(54.54% 0.048 265.9)
XYZ	xyz(15.7461, 16.1635, 27.4844)
Luminance	0.1616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63708D #8D8063

analogous

#63858D #63708D #6B638D

triadic

#63708D #8D6370 #708D63

tetradic

#63708D #8D6385 #8D8063 #638D6B

square

#63708D #8D6385 #8D8063 #638D6B

split-complementary

#63708D #8D6B63 #858D63

monochromatic

#313745 #4A5369 #63708D #8490A9 #A8B0C2

Accessibility & contrast

On white

4.96

#63708D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#63708D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #63708D

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63708D	#FFFFFF	#000000	##FFFFFF
##63708D	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728E

Deuteranopia (green-blind)

#636E8C

Tritanopia (blue-blind)

#58767A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #63708d;
/* rgb */ color: rgb(99, 112, 141);
/* oklch */ color: oklch(54.5% 0.048 265.9);

Tailwind

colors: {
  custom: {
    50: '#9099ae',
    500: '#63708d',
    950: '#000000',
  },
}

SCSS

$custom: #63708d;
$custom-light: #9099ae;
$custom-dark: #000000;

JSON

{
  "hex": "#63708d",
  "rgb": {
    "r": 99,
    "g": 112,
    "b": 141
  },
  "hsl": {
    "h": 221.429,
    "s": 17.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54543,
    "c": 0.04813,
    "h": 265.9
  },
  "luminance": 0.16164
}

Semantic roles & 50–950 ramp

primary

#63708D

secondary

#B1AA9B

accent

#A26EBA

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0D10

muted

#7D7E7F

Preview Lab

Preview with #63708D

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

Preview Lab → · Contrast checker → · Palette generator →