#4B647B#4B647B
#4B647B is a mid, muted cyan. Relative luminance 0.120; OKLCH L 49.2% C 0.048 H 246.7°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).
Color values
| HEX | #4B647B |
|---|---|
| RGB | rgb(75, 100, 123) |
| HSL | hsl(209, 24%, 39%) |
| HSV | hsv(209, 39%, 48%) |
| CMYK | cmyk(39%, 18.7%, 0%, 51.8%) |
| CIE-LAB | lab(41.28, -2.99, -15.83) |
| CIE-LCH | lch(41.28, 16.11, 259.31°) |
| OKLab | oklab(49.24% -0.0188 -0.0437) |
| OKLCH | oklch(49.24% 0.048 246.7) |
| XYZ | xyz(11.0328, 12.0397, 20.4776) |
| Luminance | 0.1204 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Slate
#516572
ΔE00 4.21
Denim (survey)
#3B638C
ΔE00 5.12
Ugly Blue
#31668A
ΔE00 5.33
Metallic Blue
#4F738E
ΔE00 5.81
Slate Grey
#59656D
ΔE00 6.56
Cadet Blue
#4E7496
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B647B #7B624B
analogous
#4B7B7A #4B647B #4B4C7B
triadic
#4B647B #7B4B64 #647B4B
tetradic
#4B647B #7A4B7B #7B624B #4C7B4B
square
#4B647B #7A4B7B #7B624B #4C7B4B
split-complementary
#4B647B #7B4B4C #7B7A4B
monochromatic
#1D262F #344555 #4B647B #6383A0 #89A1B7
Accessibility & contrast
On white
6.16
#4B647B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.41
#4B647B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4B647B
6.16:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B647B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4B647B | 1.00 | 6.16 | 3.41 | 6.16 |
| #FFFFFF | 6.16 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.16 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B647C
Deuteranopia (green-blind)
#555F7B
Tritanopia (blue-blind)
#3B696C
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #4b647b; /* rgb */ color: rgb(75, 100, 123); /* oklch */ color: oklch(49.2% 0.048 246.7);
Tailwind
colors: {
custom: {
50: '#7f90a1',
500: '#4b647b',
950: '#000000',
},
}SCSS
$custom: #4b647b; $custom-light: #7f90a1; $custom-dark: #000000;
JSON
{
"hex": "#4b647b",
"rgb": {
"r": 75,
"g": 100,
"b": 123
},
"hsl": {
"h": 208.75,
"s": 24.242,
"l": 38.824
},
"oklch": {
"l": 0.49244,
"c": 0.04758,
"h": 246.7
},
"luminance": 0.1204
}Semantic roles & 50–950 ramp
primary
#4B647B
secondary
#A4907E
accent
#9267C1
background
#F7F8F9
surface
#EEF0F2
border
#C9CBCC
text
#0A0C0F
muted
#7C7D7E