#420B28
Closest named color: Dark Plum (#3F012C). oklch(26.1% 0.089 352.9), rgb(66, 11, 40).
Aa
White text reads best on this color (16.02:1).
About this color
#420B28 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.089 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.025 away. White text reads best on it, at 16.02:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.31:1 |
| White text | 16.02:1 |
Values
| HEX | #420B28 |
| RGB | rgb(66, 11, 40) |
| HSL | hsl(328, 71%, 15%) |
| OKLCH | oklch(26.1% 0.089 352.9) |
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 #420B28 | 16.02:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #420B28 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #420B28 text on white | 16.02:1 | AAA | Lc 102.3 | Preferred for body text |
| #420B28 text on black | 1.31:1 | 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
#FBE2EC
oklch(93.6% 0.03 351.5)
-
Step 200
200
#F9CADC
oklch(88.5% 0.058 353.4)
-
Step 300
300
#F6A4C7
oklch(80.9% 0.106 352.5)
-
Step 400
400
#ED6EAA
oklch(70.6% 0.169 352.7)
-
Step 500
500
#E33D95
oklch(63.1% 0.215 352.8)
-
Step 600
600
#CD007F
oklch(55.6% 0.23 352.9)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800
#8F0057
oklch(42.6% 0.176 352.9)
-
Step 900
900
#741148
oklch(37.6% 0.14 352.8)
-
Step 950
950 (this color)
#420B28
oklch(26.1% 0.089 352.9)
#420B28 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) | #151B29 | 0.099 |
| Deuteranopia (no green cones) | #242527 | 0.089 |
| Tritanopia (no blue cones) | #480718 | 0.032 |
| Achromatopsia (no color) | #212121 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420B28
#420B28
oklch(26.1% 0.089 352.9)
- #002C22
#002C22
oklch(26.1% 0.05 173.1)
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 #420B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.025
- Aubergine #3D0734 ΔE 0.030
- Eggplant #380835 ΔE 0.039
- Eggplant Purple #430541 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.056
- Dark Purple #35063E ΔE 0.058
- Deep Violet #490648 ΔE 0.062
- Mahogany #4A0100 ΔE 0.063
Use #420B28 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.