#4F577F#4F577F
#4F577F is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.7% C 0.066 H 274.9°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4F577F |
|---|---|
| RGB | rgb(79, 87, 127) |
| HSL | hsl(230, 23%, 40%) |
| HSV | hsv(230, 38%, 50%) |
| CMYK | cmyk(37.8%, 31.5%, 0%, 50.2%) |
| CIE-LAB | lab(37.86, 7.46, -23.52) |
| CIE-LCH | lch(37.86, 24.67, 287.61°) |
| OKLab | oklab(46.7% 0.0056 -0.0655) |
| OKLCH | oklch(46.7% 0.066 274.9) |
| XYZ | xyz(10.4623, 10.0105, 21.4555) |
| Luminance | 0.1001 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 1.55
Twilight
#4E518B
ΔE00 4.15
Dusky Blue
#475F94
ΔE00 5.96
Denim Blue
#3B5B92
ΔE00 7.08
Dusk Blue
#26538D
ΔE00 9.14
Light Navy Blue
#2E5A88
ΔE00 9.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F577F #7F774F
analogous
#4F6F7F #4F577F #5F4F7F
triadic
#4F577F #7F4F57 #577F4F
tetradic
#4F577F #7F4F6F #7F774F #4F7F5F
square
#4F577F #7F4F6F #7F774F #4F7F5F
split-complementary
#4F577F #7F5F4F #6F7F4F
monochromatic
#202334 #383D59 #4F577F #6973A2 #8F96B9
Accessibility & contrast
On white
6.99
#4F577F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.00
#4F577F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4F577F
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F577F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4F577F | 1.00 | 6.99 | 3.00 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4A5B81
Deuteranopia (green-blind)
#47577E
Tritanopia (blue-blind)
#415F65
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #4f577f; /* rgb */ color: rgb(79, 87, 127); /* oklch */ color: oklch(46.7% 0.066 274.9);
Tailwind
colors: {
custom: {
50: '#8286a4',
500: '#4f577f',
950: '#000000',
},
}SCSS
$custom: #4f577f; $custom-light: #8286a4; $custom-dark: #000000;
JSON
{
"hex": "#4f577f",
"rgb": {
"r": 79,
"g": 87,
"b": 127
},
"hsl": {
"h": 230,
"s": 23.301,
"l": 40.392
},
"oklch": {
"l": 0.46703,
"c": 0.06579,
"h": 274.9
},
"luminance": 0.10011
}Semantic roles & 50–950 ramp
primary
#4F577F
secondary
#A6A084
accent
#B168C0
background
#F8F8FA
surface
#EFEFF4
border
#CACACE
text
#0A0B0F
muted
#7C7C7F