#551D45
Closest named color: Grape Purple (#5D1451). oklch(33.2% 0.098 340.4), rgb(85, 29, 69).
Aa
White text reads best on this color (12.74:1).
About this color
#551D45 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.098 and its hue 340°. 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 12.74:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #551D45 |
| RGB | rgb(85, 29, 69) |
| HSL | hsl(317, 49%, 22%) |
| OKLCH | oklch(33.2% 0.098 340.4) |
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 #551D45 | 12.74:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #551D45 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #551D45 text on white | 12.74:1 | AAA | Lc 98.3 | Preferred for body text |
| #551D45 text on black | 1.64:1 | 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
#FAF3F7
oklch(97.1% 0.009 341.8)
-
Step 100
100
#F4E5EE
oklch(93.6% 0.02 340.7)
-
Step 200
200
#EDCFE1
oklch(88.5% 0.041 341.3)
-
Step 300
300
#E2AECF
oklch(80.8% 0.074 340.5)
-
Step 400
400
#D182B7
oklch(70.6% 0.118 340.2)
-
Step 500
500
#C461A5
oklch(63.2% 0.15 340.7)
-
Step 600
600
#AF4490
oklch(55.6% 0.164 340.6)
-
Step 700
700
#96357B
oklch(49.1% 0.153 340.3)
-
Step 800
800
#7A2D64
oklch(42.7% 0.127 340.4)
-
Step 900
900 (this color)
#551D45
oklch(33.2% 0.098 340.4)
-
Step 950
950
#3A1930
oklch(27.1% 0.062 340)
#551D45 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) | #202D46 | 0.105 |
| Deuteranopia (no green cones) | #313644 | 0.093 |
| Tritanopia (no blue cones) | #5A1E2E | 0.044 |
| Achromatopsia (no color) | #323232 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551D45
#551D45
oklch(33.2% 0.098 340.4)
- #004128
#004128
oklch(33.1% 0.075 160.1)
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 #551D45, 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 0.053
- Deep Violet #490648 ΔE 0.055
- Burgundy #610023 ΔE 0.065
- Eggplant Purple #430541 ΔE 0.065
- Merlot #730039 ΔE 0.069
- Velvet #750851 ΔE 0.073
- Rich Purple #720058 ΔE 0.074
Use #551D45 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.