#646E76#646E76

#646E76 is a mid, near-neutral cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.018 H 242.0°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#646E76
RGB	rgb(100, 110, 118)
HSL	hsl(207, 8%, 43%)
HSV	hsv(207, 15%, 46%)
CMYK	cmyk(15.3%, 6.8%, 0%, 53.7%)
CIE-LAB	lab(45.86, -1.97, -5.72)
CIE-LCH	lch(45.86, 6.05, 251.03°)
OKLab	oklab(53.25% -0.0082 -0.0154)
OKLCH	oklch(53.25% 0.018 242)
XYZ	xyz(14.1007, 15.1689, 19.3210)
Luminance	0.1517 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E76 #766C64

analogous

#647675 #646E76 #646576

triadic

#646E76 #76646E #6E7664

tetradic

#646E76 #756476 #766C64 #657664

square

#646E76 #756476 #766C64 #657664

split-complementary

#646E76 #766465 #767564

monochromatic

#2C3034 #484F55 #646E76 #828D95 #A3ABB1

Accessibility & contrast

On white

5.21

#646E76 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#646E76 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E76

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E76	#FFFFFF	#000000	##FFFFFF
##646E76	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6E76

Deuteranopia (green-blind)

#686C76

Tritanopia (blue-blind)

#5F7070

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646e76;
/* rgb */ color: rgb(100, 110, 118);
/* oklch */ color: oklch(53.3% 0.018 242.0);

Tailwind

colors: {
  custom: {
    50: '#90979d',
    500: '#646e76',
    950: '#000000',
  },
}

SCSS

$custom: #646e76;
$custom-light: #90979d;
$custom-dark: #000000;

JSON

{
  "hex": "#646e76",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 118
  },
  "hsl": {
    "h": 206.667,
    "s": 8.257,
    "l": 42.745
  },
  "oklch": {
    "l": 0.53253,
    "c": 0.0175,
    "h": 242
  },
  "luminance": 0.15169
}

Semantic roles & 50–950 ramp

primary

#646E76

secondary

#A19A95

accent

#9177B1

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0D0E

muted

#7D7E7E

Preview Lab

Preview with #646E76

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

Preview Lab → · Contrast checker → · Palette generator →