#550A40
Closest named color: Deep Violet (#490648). oklch(30.9% 0.12 342.6), rgb(85, 10, 64).
Aa
White text reads best on this color (13.96:1).
About this color
#550A40 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.120 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.036 away. White text reads best on it, at 13.96:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.50:1 |
| White text | 13.96:1 |
Values
| HEX | #550A40 |
| RGB | rgb(85, 10, 64) |
| HSL | hsl(317, 79%, 19%) |
| OKLCH | oklch(30.9% 0.12 342.6) |
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 #550A40 | 13.96:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #550A40 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #550A40 text on white | 13.96:1 | AAA | Lc 99.6 | Preferred for body text |
| #550A40 text on black | 1.50:1 | 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 950.
-
Step 50
50
#FFF1F9
oklch(97.1% 0.018 342)
-
Step 100
100
#FFE0F1
oklch(93.7% 0.041 343.7)
-
Step 200
200
#FFC5E7
oklch(88.5% 0.079 342.8)
-
Step 300
300
#FF9AD9
oklch(80.9% 0.142 342.7)
-
Step 400
400
#F956C6
oklch(70.6% 0.228 342.5)
-
Step 500
500
#EB00B4
oklch(63% 0.271 342.6)
-
Step 600
600
#C70098
oklch(55.6% 0.239 342.6)
-
Step 700
700
#A80080
oklch(49.1% 0.211 342.5)
-
Step 800
800
#8B0069
oklch(42.7% 0.183 342.7)
-
Step 900
900
#750058
oklch(37.7% 0.162 342.6)
-
Step 950
950 (this color)
#550A40
oklch(30.9% 0.12 342.6)
#550A40 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) | #132441 | 0.135 |
| Deuteranopia (no green cones) | #2B303E | 0.115 |
| Tritanopia (no blue cones) | #5B0B25 | 0.053 |
| Achromatopsia (no color) | #2C2C2C | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550A40
#550A40
oklch(30.9% 0.12 342.6)
- #003A26
#003A26
oklch(30.8% 0.067 163.1)
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 #550A40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.036
- Grape Purple #5D1451 ΔE 0.036
- Plum Purple #4E0550 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.046
- Burgundy #610023 ΔE 0.058
- Aubergine #3D0734 ΔE 0.061
- Dark Plum #3F012C ΔE 0.065
- Merlot #730039 ΔE 0.070
Use #550A40 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.