#646E7A#646E7A

#646E7A is a mid, muted cyan. Relative luminance 0.153; OKLCH L 53.4% C 0.022 H 253.0°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#646E7A
RGB	rgb(100, 110, 122)
HSL	hsl(213, 10%, 44%)
HSV	hsv(213, 18%, 48%)
CMYK	cmyk(18%, 9.8%, 0%, 52.2%)
CIE-LAB	lab(46.00, -1.03, -7.92)
CIE-LCH	lch(46.00, 7.99, 262.62°)
OKLab	oklab(53.4% -0.0066 -0.0215)
OKLCH	oklch(53.4% 0.022 253)
XYZ	xyz(14.3434, 15.2660, 20.5995)
Luminance	0.1527 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E7A #7A7064

analogous

#64797A #646E7A #65647A

triadic

#646E7A #7A646E #6E7A64

tetradic

#646E7A #7A6479 #7A7064 #647A65

square

#646E7A #7A6479 #7A7064 #647A65

split-complementary

#646E7A #7A6564 #797A64

monochromatic

#2D3137 #485058 #646E7A #828D99 #A4ABB4

Accessibility & contrast

On white

5.18

#646E7A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#646E7A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E7A

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E7A	#FFFFFF	#000000	##FFFFFF
##646E7A	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6E7B

Deuteranopia (green-blind)

#676C7A

Tritanopia (blue-blind)

#5F7172

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646e7a;
/* rgb */ color: rgb(100, 110, 122);
/* oklch */ color: oklch(53.4% 0.022 253.0);

Tailwind

colors: {
  custom: {
    50: '#9097a0',
    500: '#646e7a',
    950: '#000000',
  },
}

SCSS

$custom: #646e7a;
$custom-light: #9097a0;
$custom-dark: #000000;

JSON

{
  "hex": "#646e7a",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 122
  },
  "hsl": {
    "h": 212.727,
    "s": 9.91,
    "l": 43.529
  },
  "oklch": {
    "l": 0.534,
    "c": 0.02244,
    "h": 253
  },
  "luminance": 0.15266
}

Semantic roles & 50–950 ramp

primary

#646E7A

secondary

#A49E96

accent

#9775B3

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #646E7A

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

Preview Lab → · Contrast checker → · Palette generator →