#555E77#555E77
#555E77 is a mid, muted blue. Relative luminance 0.113; OKLCH L 48.4% C 0.042 H 269.4°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).
Color values
| HEX | #555E77 |
|---|---|
| RGB | rgb(85, 94, 119) |
| HSL | hsl(224, 17%, 40%) |
| HSV | hsv(224, 29%, 47%) |
| CMYK | cmyk(28.6%, 21%, 0%, 53.3%) |
| CIE-LAB | lab(40.03, 2.73, -15.24) |
| CIE-LCH | lch(40.03, 15.48, 280.17°) |
| OKLab | oklab(48.39% -0.0005 -0.0419) |
| OKLCH | oklch(48.39% 0.042 269.4) |
| XYZ | xyz(11.0779, 11.2683, 19.0405) |
| Luminance | 0.1127 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 6.75
Dusky Blue
#475F94
ΔE00 7.92
Twilight
#4E518B
ΔE00 8.78
Denim (survey)
#3B638C
ΔE00 8.99
Denim Blue
#3B5B92
ΔE00 9.06
Slate
#516572
ΔE00 9.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#555E77 #776E55
analogous
#556F77 #555E77 #5D5577
triadic
#555E77 #77555E #5E7755
tetradic
#555E77 #77556F #776E55 #55775D
square
#555E77 #77556F #776E55 #55775D
split-complementary
#555E77 #775D55 #6F7755
monochromatic
#222630 #3B4253 #555E77 #707B99 #949CB3
Accessibility & contrast
On white
6.45
#555E77 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.25
#555E77 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #555E77
6.45:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##555E77 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##555E77 | 1.00 | 6.45 | 3.25 | 6.45 |
| #FFFFFF | 6.45 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.45 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#566078
Deuteranopia (green-blind)
#545D76
Tritanopia (blue-blind)
#4C6366
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #555e77; /* rgb */ color: rgb(85, 94, 119); /* oklch */ color: oklch(48.4% 0.042 269.4);
Tailwind
colors: {
custom: {
50: '#858b9e',
500: '#555e77',
950: '#000000',
},
}SCSS
$custom: #555e77; $custom-light: #858b9e; $custom-dark: #000000;
JSON
{
"hex": "#555e77",
"rgb": {
"r": 85,
"g": 94,
"b": 119
},
"hsl": {
"h": 224.118,
"s": 16.667,
"l": 40
},
"oklch": {
"l": 0.48393,
"c": 0.04188,
"h": 269.4
},
"luminance": 0.11269
}Semantic roles & 50–950 ramp
primary
#555E77
secondary
#A09A87
accent
#A66EB9
background
#F8F8F9
surface
#EFF0F2
border
#CACBCC
text
#0B0C0E
muted
#7C7D7E