#4B666F#4B666F
#4B666F is a mid, muted cyan. Relative luminance 0.121; OKLCH L 49.2% C 0.035 H 220.4°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #4B666F |
|---|---|
| RGB | rgb(75, 102, 111) |
| HSL | hsl(195, 19%, 36%) |
| HSV | hsv(195, 32%, 44%) |
| CMYK | cmyk(32.4%, 8.1%, 0%, 56.5%) |
| CIE-LAB | lab(41.45, -7.54, -8.28) |
| CIE-LCH | lch(41.45, 11.20, 227.67°) |
| OKLab | oklab(49.23% -0.0266 -0.0226) |
| OKLCH | oklch(49.23% 0.035 220.4) |
| XYZ | xyz(10.5214, 12.1458, 16.8258) |
| Luminance | 0.1215 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Slate
#516572
ΔE00 3.87
Gunmetal (survey)
#536267
ΔE00 3.91
Slate Grey
#59656D
ΔE00 5.36
Metallic Blue
#4F738E
ΔE00 8.82
Battleship Grey
#6B7C85
ΔE00 9.85
Petrol
#005F6A
ΔE00 9.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B666F #6F544B
analogous
#4B6F66 #4B666F #4B546F
triadic
#4B666F #6F4B66 #666F4B
tetradic
#4B666F #664B6F #6F544B #546F4B
square
#4B666F #664B6F #6F544B #546F4B
split-complementary
#4B666F #6F4B54 #6F664B
monochromatic
#1A2326 #32444A #4B666F #648894 #87A4AE
Accessibility & contrast
On white
6.12
#4B666F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#4B666F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B666F
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B666F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B666F | 1.00 | 6.12 | 3.43 | 6.12 |
| #FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#606470
Deuteranopia (green-blind)
#5B606F
Tritanopia (blue-blind)
#3F6969
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #4b666f; /* rgb */ color: rgb(75, 102, 111); /* oklch */ color: oklch(49.2% 0.035 220.4);
Tailwind
colors: {
custom: {
50: '#7e9198',
500: '#4b666f',
950: '#000000',
},
}SCSS
$custom: #4b666f; $custom-light: #7e9198; $custom-dark: #000000;
JSON
{
"hex": "#4b666f",
"rgb": {
"r": 75,
"g": 102,
"b": 111
},
"hsl": {
"h": 195,
"s": 19.355,
"l": 36.471
},
"oklch": {
"l": 0.49229,
"c": 0.03491,
"h": 220.4
},
"luminance": 0.12146
}Semantic roles & 50–950 ramp
primary
#4B666F
secondary
#9B837B
accent
#806CBC
background
#F7F8F9
surface
#EEF0F2
border
#C9CBCC
text
#0A0C0D
muted
#7C7D7E