#55315E
Closest named color: Grape Purple (#5D1451). oklch(37.7% 0.086 319.4), rgb(85, 49, 94).
Aa
White text reads best on this color (10.56:1).
About this color
#55315E is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.086 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.062 away. White text reads best on it, at 10.56:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #55315E |
| RGB | rgb(85, 49, 94) |
| HSL | hsl(288, 31%, 28%) |
| OKLCH | oklch(37.7% 0.086 319.4) |
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 #55315E | 10.56:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #55315E | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #55315E text on white | 10.56:1 | AAA | Lc 94.3 | Preferred for body text |
| #55315E text on black | 1.98:1 | Fails | Lc -8.3 | 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E4D2E8
oklch(88.5% 0.035 320.1)
-
Step 300
300
#D3B4DB
oklch(80.9% 0.064 319.3)
-
Step 400
400
#BD8BC9
oklch(70.6% 0.104 319.7)
-
Step 500
500
#AC6DBB
oklch(63.1% 0.132 319.7)
-
Step 600
600
#9754A7
oklch(55.7% 0.143 319.7)
-
Step 700
700
#80448F
oklch(49.1% 0.132 319.3)
-
Step 800
800
#683874
oklch(42.6% 0.11 319.3)
-
Step 900
900 (this color)
#55315E
oklch(37.7% 0.086 319.4)
-
Step 950
950
#321D37
oklch(27% 0.055 319.7)
#55315E 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) | #2A3C60 | 0.076 |
| Deuteranopia (no green cones) | #34405D | 0.068 |
| Tritanopia (no blue cones) | #553743 | 0.055 |
| Achromatopsia (no color) | #3F3F3F | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55315E
#55315E
oklch(37.7% 0.086 319.4)
- #274C1D
#274C1D
oklch(37.7% 0.086 139.4)
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 #55315E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.062
- Purple Brown #673A3F ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.080
- Velvet #750851 ΔE 0.086
- Rich Purple #720058 ΔE 0.087
- Onyx #343A40 ΔE 0.089
- Charcoal Grey #3C4142 ΔE 0.089
- Plum Purple #4E0550 ΔE 0.089
Use #55315E 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.