#511833
Closest named color: Burgundy (#610023). oklch(31% 0.09 354.4), rgb(81, 24, 51).
Aa
White text reads best on this color (13.74:1).
About this color
#511833 is a dark, moderately saturated red. In OKLCH its lightness is 31%, its chroma 0.090 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.046 away. White text reads best on it, at 13.74:1.
| Hue family | Reds |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.52:1 |
| White text | 13.74:1 |
Values
| HEX | #511833 |
| RGB | rgb(81, 24, 51) |
| HSL | hsl(332, 54%, 21%) |
| OKLCH | oklch(31% 0.09 354.4) |
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 #511833 | 13.74:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #511833 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #511833 text on white | 13.74:1 | AAA | Lc 99.7 | Preferred for body text |
| #511833 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
#FEF2F6
oklch(97.2% 0.014 355)
-
Step 100
100
#FCE2EB
oklch(93.6% 0.031 354.7)
-
Step 200
200
#FACADB
oklch(88.5% 0.058 355.1)
-
Step 300
300
#F8A3C5
oklch(80.9% 0.108 354.2)
-
Step 400
400
#EF6DA7
oklch(70.7% 0.171 354.4)
-
Step 500
500
#E63A92
oklch(63.2% 0.219 354.3)
-
Step 600
600
#CE007B
oklch(55.6% 0.229 354.6)
-
Step 700
700
#AE0068
oklch(49.1% 0.202 354.2)
-
Step 800
800
#900055
oklch(42.7% 0.176 354.3)
-
Step 900
900
#760E46
oklch(37.8% 0.143 354.6)
-
Step 950
950 (this color)
#511833
oklch(31% 0.09 354.4)
#511833 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) | #212734 | 0.101 |
| Deuteranopia (no green cones) | #313132 | 0.090 |
| Tritanopia (no blue cones) | #581423 | 0.031 |
| Achromatopsia (no color) | #2D2D2D | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #511833
#511833
oklch(31% 0.09 354.4)
- #003A2E
#003A2E
oklch(31.1% 0.059 173.7)
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 #511833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.046
- Grape Purple #5D1451 ΔE 0.060
- Deep Violet #490648 ΔE 0.061
- Eggplant Purple #430541 ΔE 0.063
- Claret #680018 ΔE 0.064
- Aubergine #3D0734 ΔE 0.064
- Dark Plum #3F012C ΔE 0.066
- Plum Purple #4E0550 ΔE 0.068
Use #511833 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.