#551969
Closest named color: Royal Purple (#4B006E). oklch(34.9% 0.138 316.2), rgb(85, 25, 105).
Aa
White text reads best on this color (12.14:1).
About this color
#551969 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.138 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.042 away. White text reads best on it, at 12.14:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.72:1 |
| White text | 12.14:1 |
Values
| HEX | #551969 |
| RGB | rgb(85, 25, 105) |
| HSL | hsl(285, 62%, 25%) |
| OKLCH | oklch(34.9% 0.138 316.2) |
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 #551969 | 12.14:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #551969 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #551969 text on white | 12.14:1 | AAA | Lc 96.9 | Preferred for body text |
| #551969 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
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E8CEF3
oklch(88.4% 0.057 315.9)
-
Step 300
300
#DBACEE
oklch(80.9% 0.104 316)
-
Step 400
400
#C87DE5
oklch(70.7% 0.165 316)
-
Step 500
500
#BA55DD
oklch(63.1% 0.212 316.4)
-
Step 600
600
#A532CB
oklch(55.6% 0.23 316.1)
-
Step 700
700
#8D22AF
oklch(49.1% 0.213 316.1)
-
Step 800
800
#73208E
oklch(42.8% 0.177 316.2)
-
Step 900
900 (this color)
#551969
oklch(34.9% 0.138 316.2)
-
Step 950
950
#371542
oklch(27% 0.088 317.1)
#551969 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) | #00326B | 0.129 |
| Deuteranopia (no green cones) | #193767 | 0.117 |
| Tritanopia (no blue cones) | #542A3F | 0.090 |
| Achromatopsia (no color) | #363636 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #551969
#551969
oklch(34.9% 0.138 316.2)
- #1D4600
#1D4600
oklch(35% 0.105 136.4)
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 #551969, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.042
- Grape Purple #5D1451 ΔE 0.047
- Plum Purple #4E0550 ΔE 0.053
- Indigo #4B0082 ΔE 0.058
- Deep Violet #490648 ΔE 0.069
- Rich Purple #720058 ΔE 0.072
- Velvet #750851 ΔE 0.083
- Eggplant Purple #430541 ΔE 0.086
Use #551969 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.