#551E58
Closest named color: Grape Purple (#5D1451). oklch(34.4% 0.114 325.6), rgb(85, 30, 88).
Aa
White text reads best on this color (12.26:1).
About this color
#551E58 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.114 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.025 away. White text reads best on it, at 12.26:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #551E58 |
| RGB | rgb(85, 30, 88) |
| HSL | hsl(297, 49%, 23%) |
| OKLCH | oklch(34.4% 0.114 325.6) |
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 #551E58 | 12.26:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #551E58 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #551E58 text on white | 12.26:1 | AAA | Lc 97.4 | Preferred for body text |
| #551E58 text on black | 1.71:1 | Fails | Lc 0.0 | 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
#FAF3FA
oklch(97.2% 0.012 325.7)
-
Step 100
100
#F3E5F3
oklch(93.7% 0.024 325.8)
-
Step 200
200
#EACFEA
oklch(88.5% 0.047 326)
-
Step 300
300
#DEAEDF
oklch(81% 0.086 325.7)
-
Step 400
400
#CC81CE
oklch(70.8% 0.136 326)
-
Step 500
500
#BD5EC2
oklch(63.2% 0.174 325.5)
-
Step 600
600
#A840AE
oklch(55.6% 0.19 325.5)
-
Step 700
700
#903195
oklch(49.1% 0.176 325.8)
-
Step 800
800
#752A79
oklch(42.7% 0.146 325.7)
-
Step 900
900 (this color)
#551E58
oklch(34.4% 0.114 325.6)
-
Step 950
950
#381839
oklch(27.1% 0.072 326.2)
#551E58 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) | #15315A | 0.115 |
| Deuteranopia (no green cones) | #293756 | 0.099 |
| Tritanopia (no blue cones) | #572638 | 0.065 |
| Achromatopsia (no color) | #353535 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551E58
#551E58
oklch(34.4% 0.114 325.6)
- #004610
#004610
oklch(34.3% 0.106 145.7)
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 #551E58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.025
- Plum Purple #4E0550 ΔE 0.046
- Deep Violet #490648 ΔE 0.056
- Rich Purple #720058 ΔE 0.066
- Royal Purple #4B006E ΔE 0.066
- Velvet #750851 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.072
- Merlot #730039 ΔE 0.085
Use #551E58 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.