#551A47
Closest named color: Grape Purple (#5D1451). oklch(32.9% 0.105 338.3), rgb(85, 26, 71).
Aa
White text reads best on this color (12.92:1).
About this color
#551A47 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.105 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.026 away. White text reads best on it, at 12.92:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.105) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #551A47 |
| RGB | rgb(85, 26, 71) |
| HSL | hsl(314, 53%, 22%) |
| OKLCH | oklch(32.9% 0.105 338.3) |
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 #551A47 | 12.92:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #551A47 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #551A47 text on white | 12.92:1 | AAA | Lc 98.5 | Preferred for body text |
| #551A47 text on black | 1.62:1 | 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
#FBF3F8
oklch(97.2% 0.011 339.3)
-
Step 100
100
#F5E4EF
oklch(93.6% 0.023 338.6)
-
Step 200
200
#EDCFE3
oklch(88.5% 0.043 338.2)
-
Step 300
300
#E3ADD2
oklch(80.8% 0.079 338.3)
-
Step 400
400
#D380BB
oklch(70.6% 0.126 338.5)
-
Step 500
500
#C55EAA
oklch(63.1% 0.159 338.4)
-
Step 600
600
#B04096
oklch(55.5% 0.175 338)
-
Step 700
700
#97317F
oklch(49% 0.162 338.5)
-
Step 800
800
#7B2A68
oklch(42.7% 0.135 338.1)
-
Step 900
900 (this color)
#551A47
oklch(32.9% 0.105 338.3)
-
Step 950
950
#3A1831
oklch(26.9% 0.065 338.4)
#551A47 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) | #1C2C48 | 0.113 |
| Deuteranopia (no green cones) | #2F3546 | 0.098 |
| Tritanopia (no blue cones) | #5A1C2D | 0.050 |
| Achromatopsia (no color) | #313131 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A47
#551A47
oklch(32.9% 0.105 338.3)
- #004026
#004026
oklch(32.7% 0.075 158.9)
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 #551A47, closest first.
No curated palette has a color within ΔE 0.04 of #551A47.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.026
- Plum Purple #4E0550 ΔE 0.045
- Deep Violet #490648 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.060
- Burgundy #610023 ΔE 0.067
- Merlot #730039 ΔE 0.070
- Rich Purple #720058 ΔE 0.071
- Velvet #750851 ΔE 0.071
Use #551A47 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.