#420524
Closest named color: Dark Plum (#3F012C). oklch(25.3% 0.095 355.8), rgb(66, 5, 36).
Aa
White text reads best on this color (16.42:1).
About this color
#420524 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.095 and its hue 356°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.022 away. White text reads best on it, at 16.42:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.27:1 |
| White text | 16.42:1 |
Values
| HEX | #420524 |
| RGB | rgb(66, 5, 36) |
| HSL | hsl(330, 86%, 14%) |
| OKLCH | oklch(25.3% 0.095 355.8) |
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 #420524 | 16.42:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #420524 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #420524 text on white | 16.42:1 | AAA | Lc 102.5 | Preferred for body text |
| #420524 text on black | 1.27:1 | 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
#FDE1EB
oklch(93.5% 0.033 354.1)
-
Step 200
200
#FCC9DB
oklch(88.6% 0.062 355.3)
-
Step 300
300
#FBA2C3
oklch(81% 0.112 356.1)
-
Step 400
400
#F369A5
oklch(70.7% 0.18 355.5)
-
Step 500
500
#EA318E
oklch(63.1% 0.229 355.9)
-
Step 600
600
#CE0078
oklch(55.5% 0.228 355.7)
-
Step 700
700
#AF0065
oklch(49.2% 0.201 355.8)
-
Step 800
800
#900052
oklch(42.6% 0.175 355.8)
-
Step 900
900
#780644
oklch(37.7% 0.149 356)
-
Step 950
950 (this color)
#420524
oklch(25.3% 0.095 355.8)
#420524 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) | #131825 | 0.106 |
| Deuteranopia (no green cones) | #242323 | 0.093 |
| Tritanopia (no blue cones) | #480013 | 0.033 |
| Achromatopsia (no color) | #1F1F1F | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420524
#420524
oklch(25.3% 0.095 355.8)
- #002A21
#002A21
oklch(25.4% 0.048 174.4)
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 #420524, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.022
- Aubergine #3D0734 ΔE 0.033
- Eggplant #380835 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.055
- Deep Brown #410200 ΔE 0.058
- Mahogany #4A0100 ΔE 0.059
- Dark Purple #35063E ΔE 0.062
Use #420524 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.