#551761
Closest named color: Grape Purple (#5D1451). oklch(34.1% 0.133 320.6), rgb(85, 23, 97).
Aa
White text reads best on this color (12.48:1).
About this color
#551761 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.133 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.034 away. White text reads best on it, at 12.48:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #551761 |
| RGB | rgb(85, 23, 97) |
| HSL | hsl(290, 62%, 24%) |
| OKLCH | oklch(34.1% 0.133 320.6) |
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 #551761 | 12.48:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #551761 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #551761 text on white | 12.48:1 | AAA | Lc 97.5 | Preferred for body text |
| #551761 text on black | 1.68:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEF0
oklch(88.5% 0.055 320.3)
-
Step 300
300
#DEACE8
oklch(80.9% 0.099 320.7)
-
Step 400
400
#CC7CDD
oklch(70.6% 0.16 320.4)
-
Step 500
500
#BE55D3
oklch(63.1% 0.204 320.7)
-
Step 600
600
#A933C0
oklch(55.6% 0.221 320.5)
-
Step 700
700
#9123A6
oklch(49.1% 0.206 320.5)
-
Step 800
800
#762186
oklch(42.8% 0.17 320.8)
-
Step 900
900 (this color)
#551761
oklch(34.1% 0.133 320.6)
-
Step 950
950
#38153F
oklch(27% 0.085 320.7)
#551761 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) | #003063 | 0.133 |
| Deuteranopia (no green cones) | #1F365F | 0.115 |
| Tritanopia (no blue cones) | #56253A | 0.082 |
| Achromatopsia (no color) | #343434 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551761
#551761
oklch(34.1% 0.133 320.6)
- #0C4500
#0C4500
oklch(34.1% 0.111 140.7)
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 #551761, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.034
- Plum Purple #4E0550 ΔE 0.042
- Royal Purple #4B006E ΔE 0.046
- Deep Violet #490648 ΔE 0.057
- Rich Purple #720058 ΔE 0.066
- Indigo #4B0082 ΔE 0.069
- Eggplant Purple #430541 ΔE 0.074
- Velvet #750851 ΔE 0.077
Use #551761 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.