#51153B
Closest named color: Deep Violet (#490648). oklch(31% 0.1 345.6), rgb(81, 21, 59).
Aa
White text reads best on this color (13.81:1).
About this color
#51153B is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.100 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.045 away. White text reads best on it, at 13.81:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.100) |
| Temperature | warm |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.52:1 |
| White text | 13.81:1 |
Values
| HEX | #51153B |
| RGB | rgb(81, 21, 59) |
| HSL | hsl(322, 59%, 20%) |
| OKLCH | oklch(31% 0.1 345.6) |
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 #51153B | 13.81:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #51153B | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #51153B text on white | 13.81:1 | AAA | Lc 99.8 | Preferred for body text |
| #51153B 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
#FEF1F8
oklch(97% 0.017 343.6)
-
Step 100
100
#FCE1EF
oklch(93.6% 0.035 345.1)
-
Step 200
200
#FAC8E3
oklch(88.4% 0.066 344.9)
-
Step 300
300
#F8A1D1
oklch(80.9% 0.118 345.9)
-
Step 400
400
#EF67BA
oklch(70.6% 0.19 345.4)
-
Step 500
500
#E62CA9
oklch(63.1% 0.243 345.5)
-
Step 600
600
#C90091
oklch(55.7% 0.236 345.5)
-
Step 700
700
#AA007A
oklch(49.1% 0.209 345.5)
-
Step 800
800
#8C0064
oklch(42.6% 0.181 345.4)
-
Step 900
900
#760253
oklch(37.7% 0.158 345.9)
-
Step 950
950 (this color)
#51153B
oklch(31% 0.1 345.6)
#51153B 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) | #1C263C | 0.110 |
| Deuteranopia (no green cones) | #2D313A | 0.098 |
| Tritanopia (no blue cones) | #571425 | 0.042 |
| Achromatopsia (no color) | #2D2D2D | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51153B
#51153B
oklch(31% 0.1 345.6)
- #003A28
#003A28
oklch(30.9% 0.065 165.5)
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 #51153B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.045
- Grape Purple #5D1451 ΔE 0.046
- Plum Purple #4E0550 ΔE 0.050
- Eggplant Purple #430541 ΔE 0.050
- Burgundy #610023 ΔE 0.054
- Aubergine #3D0734 ΔE 0.058
- Dark Plum #3F012C ΔE 0.063
- Eggplant #380835 ΔE 0.068
Use #51153B 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.