#551C42
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.097 343), rgb(85, 28, 66).
Aa
White text reads best on this color (12.87:1).
About this color
#551C42 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.035 away. White text reads best on it, at 12.87:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #551C42 |
| RGB | rgb(85, 28, 66) |
| HSL | hsl(320, 50%, 22%) |
| OKLCH | oklch(32.9% 0.097 343) |
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 #551C42 | 12.87:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #551C42 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #551C42 text on white | 12.87:1 | AAA | Lc 98.5 | Preferred for body text |
| #551C42 text on black | 1.63:1 | 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
#FBF3F7
oklch(97.1% 0.01 345.4)
-
Step 100
100
#F5E5EE
oklch(93.7% 0.021 342.5)
-
Step 200
200
#EDCFE0
oklch(88.4% 0.04 342.9)
-
Step 300
300
#E3AECD
oklch(80.8% 0.074 342.9)
-
Step 400
400
#D382B4
oklch(70.7% 0.118 342.8)
-
Step 500
500
#C560A1
oklch(63% 0.15 342.9)
-
Step 600
600
#B0448C
oklch(55.6% 0.162 342.9)
-
Step 700
700
#973577
oklch(49.1% 0.151 342.9)
-
Step 800
800
#7B2D61
oklch(42.8% 0.125 342.9)
-
Step 900
900 (this color)
#551C42
oklch(32.9% 0.097 343)
-
Step 950
950
#3A192E
oklch(27% 0.061 343)
#551C42 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) | #212C43 | 0.105 |
| Deuteranopia (no green cones) | #313541 | 0.093 |
| Tritanopia (no blue cones) | #5A1C2C | 0.041 |
| Achromatopsia (no color) | #323232 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551C42
#551C42
oklch(32.9% 0.097 343)
- #00402A
#00402A
oklch(32.9% 0.071 162.7)
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 #551C42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.035
- Plum Purple #4E0550 ΔE 0.055
- Deep Violet #490648 ΔE 0.055
- Burgundy #610023 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.065
- Merlot #730039 ΔE 0.068
- Velvet #750851 ΔE 0.074
- Aubergine #3D0734 ΔE 0.076
Use #551C42 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.