#553B8A#553B8A
#553B8A is a dark, vivid violet. Relative luminance 0.069; OKLCH L 42.3% C 0.127 H 295.7°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).
Color values
| HEX | #553B8A |
|---|---|
| RGB | rgb(85, 59, 138) |
| HSL | hsl(260, 40%, 39%) |
| HSV | hsv(260, 57%, 54%) |
| CMYK | cmyk(38.4%, 57.2%, 0%, 45.9%) |
| CIE-LAB | lab(31.56, 30.21, -40.21) |
| CIE-LCH | lch(31.56, 50.30, 306.91°) |
| OKLab | oklab(42.27% 0.0549 -0.1141) |
| OKLCH | oklch(42.27% 0.127 295.7) |
| XYZ | xyz(9.8965, 6.8940, 24.8491) |
| Luminance | 0.0689 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.19
Rebeccapurple
#663399
ΔE00 4.77
Blueberry
#464196
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 7.67
Twilight
#4E518B
ΔE00 8.33
Royal Purple
#7851A9
ΔE00 9.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#553B8A #708A3B
analogous
#3B488A #553B8A #7C3B8A
triadic
#553B8A #8A553B #3B8A55
tetradic
#553B8A #8A3B48 #708A3B #3B8A7C
square
#553B8A #8A3B48 #708A3B #3B8A7C
split-complementary
#553B8A #8A7C3B #488A3B
monochromatic
#201634 #3B295F #553B8A #704FB4 #9379C6
Accessibility & contrast
On white
8.83
#553B8A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.38
#553B8A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #553B8A
8.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##553B8A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##553B8A | 1.00 | 8.83 | 2.38 | 8.83 |
| #FFFFFF | 8.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.38 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#164B8D
Deuteranopia (green-blind)
#1E4988
Tritanopia (blue-blind)
#484B5C
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #553b8a; /* rgb */ color: rgb(85, 59, 138); /* oklch */ color: oklch(42.3% 0.127 295.7);
Tailwind
colors: {
custom: {
50: '#8872ad',
500: '#553b8a',
950: '#000000',
},
}SCSS
$custom: #553b8a; $custom-light: #8872ad; $custom-dark: #000000;
JSON
{
"hex": "#553b8a",
"rgb": {
"r": 85,
"g": 59,
"b": 138
},
"hsl": {
"h": 259.747,
"s": 40.102,
"l": 38.627
},
"oklch": {
"l": 0.42267,
"c": 0.12658,
"h": 295.7
},
"luminance": 0.06894
}Semantic roles & 50–950 ramp
primary
#553B8A
secondary
#9BAF71
accent
#D058A8
background
#F8F6FA
surface
#F0ECF4
border
#CBC7CE
text
#0C0810
muted
#7D7B7F