#647F9B#647F9B

#647F9B is a mid, muted cyan. Relative luminance 0.203; OKLCH L 58.6% C 0.053 H 249.7°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#647F9B
RGB	rgb(100, 127, 155)
HSL	hsl(211, 22%, 50%)
HSV	hsv(211, 35%, 61%)
CMYK	cmyk(35.5%, 18.1%, 0%, 39.2%)
CIE-LAB	lab(52.12, -2.52, -18.13)
CIE-LCH	lch(52.12, 18.31, 262.09°)
OKLab	oklab(58.61% -0.0185 -0.05)
OKLCH	oklch(58.61% 0.053 249.7)
XYZ	xyz(18.7595, 20.2537, 33.9249)
Luminance	0.2026 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647F9B #9B8064

analogous

#649B9B #647F9B #64649B

triadic

#647F9B #9B647F #7F9B64

tetradic

#647F9B #9B649B #9B8064 #649B64

square

#647F9B #9B649B #9B8064 #649B64

split-complementary

#647F9B #9B6464 #9B9B64

monochromatic

#344251 #4C6176 #647F9B #899EB3 #AEBCCB

Accessibility & contrast

On white

4.16

#647F9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#647F9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647F9B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647F9B	#FFFFFF	#000000	##000000
##647F9B	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#747F9C

Deuteranopia (green-blind)

#6E7A9A

Tritanopia (blue-blind)

#528588

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #647f9b;
/* rgb */ color: rgb(100, 127, 155);
/* oklch */ color: oklch(58.6% 0.053 249.7);

Tailwind

colors: {
  custom: {
    50: '#92a4b8',
    500: '#647f9b',
    950: '#000000',
  },
}

SCSS

$custom: #647f9b;
$custom-light: #92a4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#647f9b",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 155
  },
  "hsl": {
    "h": 210.545,
    "s": 21.569,
    "l": 50
  },
  "oklch": {
    "l": 0.58609,
    "c": 0.05329,
    "h": 249.7
  },
  "luminance": 0.20255
}

Semantic roles & 50–950 ramp

primary

#647F9B

secondary

#BAAEA1

accent

#956ABE

background

#F9FAFB

surface

#F1F3F6

border

#CBCDD0

text

#0D0F11

muted

#7E7F80

Preview Lab

Preview with #647F9B

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

Preview Lab → · Contrast checker → · Palette generator →