#551E6A
Closest named color: Grape Purple (#5D1451). oklch(35.6% 0.132 315.1), rgb(85, 30, 106).
Aa
White text reads best on this color (11.79:1).
About this color
#551E6A is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.132 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.048 away. White text reads best on it, at 11.79:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.78:1 |
| White text | 11.79:1 |
Values
| HEX | #551E6A |
| RGB | rgb(85, 30, 106) |
| HSL | hsl(283, 56%, 27%) |
| OKLCH | oklch(35.6% 0.132 315.1) |
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 #551E6A | 11.79:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #551E6A | 1.78:1 | Fails | Lc 7.5 | Not readable |
| #551E6A text on white | 11.79:1 | AAA | Lc 96.4 | Preferred for body text |
| #551E6A text on black | 1.78:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E4F7
oklch(93.5% 0.029 315.3)
-
Step 200
200
#E7CFF3
oklch(88.5% 0.055 314.5)
-
Step 300
300
#D9ADED
oklch(80.8% 0.1 315.1)
-
Step 400
400
#C57FE4
oklch(70.7% 0.159 314.8)
-
Step 500
500
#B659DB
oklch(63% 0.203 315.2)
-
Step 600
600
#A238C9
oklch(55.6% 0.221 315.2)
-
Step 700
700
#8A28AE
oklch(49.1% 0.206 314.9)
-
Step 800
800
#70248D
oklch(42.7% 0.17 314.8)
-
Step 900
900 (this color)
#551E6A
oklch(35.6% 0.132 315.1)
-
Step 950
950
#351742
oklch(27% 0.083 314.5)
#551E6A 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) | #00346C | 0.125 |
| Deuteranopia (no green cones) | #1C3968 | 0.110 |
| Tritanopia (no blue cones) | #532D41 | 0.087 |
| Achromatopsia (no color) | #383838 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551E6A
#551E6A
oklch(35.6% 0.132 315.1)
- #214700
#214700
oklch(35.6% 0.104 135.1)
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 #551E6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.048
- Royal Purple #4B006E ΔE 0.049
- Plum Purple #4E0550 ΔE 0.060
- Indigo #4B0082 ΔE 0.062
- Rich Purple #720058 ΔE 0.073
- Deep Violet #490648 ΔE 0.074
- Velvet #750851 ΔE 0.083
- Dark Slate Blue #483D8B ΔE 0.087
Use #551E6A 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.