#551A67
Closest named color: Grape Purple (#5D1451). oklch(34.9% 0.135 317.1), rgb(85, 26, 103).
Aa
White text reads best on this color (12.13:1).
About this color
#551A67 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.135 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.043 away. White text reads best on it, at 12.13:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.72:1 |
| White text | 12.13:1 |
Values
| HEX | #551A67 |
| RGB | rgb(85, 26, 103) |
| HSL | hsl(286, 60%, 25%) |
| OKLCH | oklch(34.9% 0.135 317.1) |
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 #551A67 | 12.13:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #551A67 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #551A67 text on white | 12.13:1 | AAA | Lc 96.9 | Preferred for body text |
| #551A67 text on black | 1.72:1 | 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
#F2E4F7
oklch(93.6% 0.029 317.2)
-
Step 200
200
#E9CEF2
oklch(88.5% 0.057 317.7)
-
Step 300
300
#DBACEC
oklch(80.8% 0.101 316.9)
-
Step 400
400
#C97DE2
oklch(70.7% 0.162 317.4)
-
Step 500
500
#BA57DA
oklch(63.2% 0.206 317.1)
-
Step 600
600
#A534C7
oklch(55.5% 0.225 317.1)
-
Step 700
700
#8D24AC
oklch(49% 0.209 316.9)
-
Step 800
800
#73218B
oklch(42.7% 0.173 317.3)
-
Step 900
900 (this color)
#551A67
oklch(34.9% 0.135 317.1)
-
Step 950
950
#371641
oklch(27.1% 0.085 317.7)
#551A67 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) | #003269 | 0.129 |
| Deuteranopia (no green cones) | #1C3765 | 0.114 |
| Tritanopia (no blue cones) | #54293E | 0.086 |
| Achromatopsia (no color) | #363636 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551A67
#551A67
oklch(34.9% 0.135 317.1)
- #1B4600
#1B4600
oklch(34.9% 0.106 137.1)
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 #551A67, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.043
- Royal Purple #4B006E ΔE 0.045
- Plum Purple #4E0550 ΔE 0.052
- Indigo #4B0082 ΔE 0.062
- Deep Violet #490648 ΔE 0.067
- Rich Purple #720058 ΔE 0.070
- Velvet #750851 ΔE 0.081
- Eggplant Purple #430541 ΔE 0.084
Use #551A67 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.