#553558
Closest named color: Purple Brown (#673A3F). oklch(38.1% 0.071 323.8), rgb(85, 53, 88).
Aa
White text reads best on this color (10.31:1).
About this color
#553558 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.071 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.061 away. White text reads best on it, at 10.31:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.03:1 |
| White text | 10.31:1 |
Values
| HEX | #553558 |
| RGB | rgb(85, 53, 88) |
| HSL | hsl(295, 25%, 28%) |
| OKLCH | oklch(38.1% 0.071 323.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #553558 | 10.31:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #553558 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #553558 text on white | 10.31:1 | AAA | Lc 93.8 | Preferred for body text |
| #553558 text on black | 2.03:1 | Fails | Lc -8.7 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7F0
oklch(93.7% 0.015 322.3)
-
Step 200
200
#E3D3E4
oklch(88.5% 0.029 324)
-
Step 300
300
#D2B6D4
oklch(81% 0.052 324)
-
Step 400
400
#BB8FBF
oklch(70.8% 0.084 323.7)
-
Step 500
500
#AA72AF
oklch(63.2% 0.109 323.9)
-
Step 600
600
#94599A
oklch(55.5% 0.118 323.7)
-
Step 700
700
#7E4984
oklch(49% 0.11 323.3)
-
Step 800
800
#673C6B
oklch(42.7% 0.091 323.9)
-
Step 900
900 (this color)
#553558
oklch(38.1% 0.071 323.8)
-
Step 950
950
#311F33
oklch(27.1% 0.044 323.2)
#553558 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #323E59 | 0.063 |
| Deuteranopia (no green cones) | #3A4257 | 0.058 |
| Tritanopia (no blue cones) | #563942 | 0.043 |
| Achromatopsia (no color) | #404040 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #553558
#553558
oklch(38.1% 0.071 323.8)
- #2A4C29
#2A4C29
oklch(38% 0.07 143.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #553558, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.061
- Grape Purple #5D1451 ΔE 0.072
- Charcoal Grey #3C4142 ΔE 0.074
- Onyx #343A40 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.081
- Brownish Purple #76424E ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.088
- Charcoal #264653 ΔE 0.088
Use #553558 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.