#510028
Closest named color: Burgundy (#610023). oklch(28.2% 0.115 359.1), rgb(81, 0, 40).
Aa
White text reads best on this color (15.21:1).
About this color
#510028 is a dark, moderately saturated red. In OKLCH its lightness is 28%, its chroma 0.115 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Burgundy (#610023), ΔE 0.041 away. White text reads best on it, at 15.21:1.
| Hue family | Reds |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Burgundy (#610023) |
| Black text | 1.38:1 |
| White text | 15.21:1 |
Values
| HEX | #510028 |
| RGB | rgb(81, 0, 40) |
| HSL | hsl(330, 100%, 16%) |
| OKLCH | oklch(28.2% 0.115 359.1) |
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 #510028 | 15.21:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #510028 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #510028 text on white | 15.21:1 | AAA | Lc 100.7 | Preferred for body text |
| #510028 text on black | 1.38:1 | 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
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FFE1E9
oklch(93.7% 0.035 359.8)
-
Step 200
200
#FFC8D8
oklch(88.6% 0.066 359.3)
-
Step 300
300
#FFA0BF
oklch(81% 0.118 359)
-
Step 400
400
#FF5D9E
oklch(70.8% 0.204 358.9)
-
Step 500
500
#F60086
oklch(63.1% 0.256 359)
-
Step 600
600
#D00070
oklch(55.6% 0.226 359.1)
-
Step 700
700
#B0005E
oklch(49.1% 0.2 359.1)
-
Step 800
800
#91004D
oklch(42.6% 0.173 358.7)
-
Step 900
900
#7B0040
oklch(37.8% 0.154 359)
-
Step 950
950 (this color)
#510028
oklch(28.2% 0.115 359.1)
#510028 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) | #161C29 | 0.132 |
| Deuteranopia (no green cones) | #2C2B26 | 0.116 |
| Tritanopia (no blue cones) | #590014 | 0.041 |
| Achromatopsia (no color) | #262626 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #510028
#510028
oklch(28.2% 0.115 359.1)
- #00312A
#00312A
oklch(28.1% 0.051 180.2)
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 #510028, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burgundy #610023 ΔE 0.041
- Dark Plum #3F012C ΔE 0.046
- Aubergine #3D0734 ΔE 0.054
- Eggplant Purple #430541 ΔE 0.059
- Deep Violet #490648 ΔE 0.063
- Mahogany #4A0100 ΔE 0.063
- Claret #680018 ΔE 0.064
- Eggplant #380835 ΔE 0.065
Use #510028 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.