#51184E
Closest named color: Grape Purple (#5D1451). oklch(32.4% 0.111 330), rgb(81, 24, 78).
Aa
White text reads best on this color (13.20:1).
About this color
#51184E is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.111 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.027 away. White text reads best on it, at 13.20:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.59:1 |
| White text | 13.20:1 |
Values
| HEX | #51184E |
| RGB | rgb(81, 24, 78) |
| HSL | hsl(303, 54%, 21%) |
| OKLCH | oklch(32.4% 0.111 330) |
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 #51184E | 13.20:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #51184E | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #51184E text on white | 13.20:1 | AAA | Lc 98.9 | Preferred for body text |
| #51184E text on black | 1.59:1 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F2
oklch(93.6% 0.025 329.7)
-
Step 200
200
#EBCFE8
oklch(88.5% 0.045 329.4)
-
Step 300
300
#E0AEDA
oklch(81% 0.082 330.4)
-
Step 400
400
#CF80C8
oklch(70.7% 0.134 330.1)
-
Step 500
500
#C05DBA
oklch(63.1% 0.171 329.7)
-
Step 600
600
#AB40A6
oklch(55.6% 0.184 329.6)
-
Step 700
700
#93308E
oklch(49.1% 0.173 329.9)
-
Step 800
800
#772A73
oklch(42.7% 0.141 329.8)
-
Step 900
900 (this color)
#51184E
oklch(32.4% 0.111 330)
-
Step 950
950
#391837
oklch(27.1% 0.071 329.6)
#51184E 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) | #132B50 | 0.116 |
| Deuteranopia (no green cones) | #27334C | 0.101 |
| Tritanopia (no blue cones) | #541E30 | 0.060 |
| Achromatopsia (no color) | #303030 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51184E
#51184E
oklch(32.4% 0.111 330)
- #004019
#004019
oklch(32.5% 0.089 150)
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 #51184E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.027
- Plum Purple #4E0550 ΔE 0.031
- Deep Violet #490648 ΔE 0.037
- Eggplant Purple #430541 ΔE 0.052
- Royal Purple #4B006E ΔE 0.069
- Aubergine #3D0734 ΔE 0.072
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.078
Use #51184E 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.