#646F7D#646F7D

#646F7D is a mid, muted cyan. Relative luminance 0.156; OKLCH L 53.7% C 0.026 H 254.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#646F7D
RGB	rgb(100, 111, 125)
HSL	hsl(214, 11%, 44%)
HSV	hsv(214, 20%, 49%)
CMYK	cmyk(20%, 11.2%, 0%, 51%)
CIE-LAB	lab(46.39, -0.90, -9.13)
CIE-LCH	lch(46.39, 9.17, 264.40°)
OKLab	oklab(53.74% -0.0069 -0.0248)
OKLCH	oklch(53.74% 0.026 254.5)
XYZ	xyz(14.6407, 15.5585, 21.6298)
Luminance	0.1556 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646F7D #7D7264

analogous

#647C7D #646F7D #66647D

triadic

#646F7D #7D646F #6F7D64

tetradic

#646F7D #7D647C #7D7264 #647D66

square

#646F7D #7D647C #7D7264 #647D66

split-complementary

#646F7D #7D6664 #7C7D64

monochromatic

#2E3339 #49515B #646F7D #838E9C #A5ADB7

Accessibility & contrast

On white

5.11

#646F7D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#646F7D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646F7D

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646F7D	#FFFFFF	#000000	##FFFFFF
##646F7D	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6F7E

Deuteranopia (green-blind)

#676D7D

Tritanopia (blue-blind)

#5E7273

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #646f7d;
/* rgb */ color: rgb(100, 111, 125);
/* oklch */ color: oklch(53.7% 0.026 254.5);

Tailwind

colors: {
  custom: {
    50: '#9098a2',
    500: '#646f7d',
    950: '#000000',
  },
}

SCSS

$custom: #646f7d;
$custom-light: #9098a2;
$custom-dark: #000000;

JSON

{
  "hex": "#646f7d",
  "rgb": {
    "r": 100,
    "g": 111,
    "b": 125
  },
  "hsl": {
    "h": 213.6,
    "s": 11.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53743,
    "c": 0.02571,
    "h": 254.5
  },
  "luminance": 0.15559
}

Semantic roles & 50–950 ramp

primary

#646F7D

secondary

#A69F97

accent

#9874B4

background

#F8F9FA

surface

#F0F2F3

border

#CBCCCD

text

#0C0D0F

muted

#7D7E7F

Preview Lab

Preview with #646F7D

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

Preview Lab → · Contrast checker → · Palette generator →