#550D43
Closest named color: Grape Purple (#5D1451). oklch(31.3% 0.119 340.5), rgb(85, 13, 67).
Aa
White text reads best on this color (13.77:1).
About this color
#550D43 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.119 and its hue 340°. Its hue sits on the warm side of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.031 away. White text reads best on it, at 13.77:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.119) |
| Temperature | warm |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.52:1 |
| White text | 13.77:1 |
Values
| HEX | #550D43 |
| RGB | rgb(85, 13, 67) |
| HSL | hsl(315, 73%, 19%) |
| OKLCH | oklch(31.3% 0.119 340.5) |
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 #550D43 | 13.77:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #550D43 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #550D43 text on white | 13.77:1 | AAA | Lc 99.4 | Preferred for body text |
| #550D43 text on black | 1.52:1 | 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
#FEE0F2
oklch(93.6% 0.04 341.2)
-
Step 200
200
#FEC5E9
oklch(88.5% 0.079 340.6)
-
Step 300
300
#FD9BDC
oklch(80.9% 0.141 340.7)
-
Step 400
400
#F759CB
oklch(70.8% 0.226 340.5)
-
Step 500
500
#EA00BA
oklch(63.2% 0.274 340.6)
-
Step 600
600
#C5009D
oklch(55.5% 0.241 340.4)
-
Step 700
700
#A70084
oklch(49.1% 0.213 340.6)
-
Step 800
800
#8A006D
oklch(42.7% 0.185 340.4)
-
Step 900
900
#74005B
oklch(37.7% 0.163 340.6)
-
Step 950
950 (this color)
#550D43
oklch(31.3% 0.119 340.5)
#550D43 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) | #132644 | 0.133 |
| Deuteranopia (no green cones) | #2B3141 | 0.113 |
| Tritanopia (no blue cones) | #5B0F27 | 0.055 |
| Achromatopsia (no color) | #2D2D2D | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #550D43
#550D43
oklch(31.3% 0.119 340.5)
- #003C25
#003C25
oklch(31.4% 0.071 160.5)
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 #550D43, closest first.
No curated palette has a color within ΔE 0.04 of #550D43.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.031
- Plum Purple #4E0550 ΔE 0.034
- Deep Violet #490648 ΔE 0.035
- Eggplant Purple #430541 ΔE 0.047
- Burgundy #610023 ΔE 0.062
- Aubergine #3D0734 ΔE 0.063
- Dark Plum #3F012C ΔE 0.069
- Merlot #730039 ΔE 0.070
Use #550D43 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.