#551F47
Closest named color: Grape Purple (#5D1451). oklch(33.5% 0.096 338.9), rgb(85, 31, 71).
Aa
White text reads best on this color (12.55:1).
About this color
#551F47 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.096 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.032 away. White text reads best on it, at 12.55:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.096) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.67:1 |
| White text | 12.55:1 |
Values
| HEX | #551F47 |
| RGB | rgb(85, 31, 71) |
| HSL | hsl(316, 47%, 23%) |
| OKLCH | oklch(33.5% 0.096 338.9) |
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 #551F47 | 12.55:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #551F47 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #551F47 text on white | 12.55:1 | AAA | Lc 98.0 | Preferred for body text |
| #551F47 text on black | 1.67:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#ECCFE2
oklch(88.4% 0.041 338.7)
-
Step 300
300
#E1AFD0
oklch(80.9% 0.072 339.3)
-
Step 400
400
#D083B9
oklch(70.7% 0.117 338.7)
-
Step 500
500
#C162A7
oklch(63% 0.147 338.6)
-
Step 600
600
#AC4692
oklch(55.5% 0.16 338.7)
-
Step 700
700
#94377C
oklch(49.1% 0.149 339.1)
-
Step 800
800
#782E65
oklch(42.6% 0.124 338.8)
-
Step 900
900 (this color)
#551F47
oklch(33.5% 0.096 338.9)
-
Step 950
950
#391930
oklch(26.9% 0.061 338.9)
#551F47 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) | #212E48 | 0.102 |
| Deuteranopia (no green cones) | #313746 | 0.091 |
| Tritanopia (no blue cones) | #5A2130 | 0.045 |
| Achromatopsia (no color) | #333333 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551F47
#551F47
oklch(33.5% 0.096 338.9)
- #004228
#004228
oklch(33.4% 0.076 159.5)
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 #551F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.032
- Plum Purple #4E0550 ΔE 0.055
- Deep Violet #490648 ΔE 0.057
- Eggplant Purple #430541 ΔE 0.069
- Burgundy #610023 ΔE 0.069
- Merlot #730039 ΔE 0.071
- Velvet #750851 ΔE 0.072
- Rich Purple #720058 ΔE 0.074
Use #551F47 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.