#420F2B
Closest named color: Dark Plum (#3F012C). oklch(26.7% 0.085 350.6), rgb(66, 15, 43).
Aa
White text reads best on this color (15.73:1).
About this color
#420F2B is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.085 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.029 away. White text reads best on it, at 15.73:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.085) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.33:1 |
| White text | 15.73:1 |
Values
| HEX | #420F2B |
| RGB | rgb(66, 15, 43) |
| HSL | hsl(327, 63%, 16%) |
| OKLCH | oklch(26.7% 0.085 350.6) |
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 #420F2B | 15.73:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #420F2B | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #420F2B text on white | 15.73:1 | AAA | Lc 102.1 | Preferred for body text |
| #420F2B text on black | 1.33:1 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDE
oklch(88.5% 0.055 350.5)
-
Step 300
300
#F3A6C9
oklch(81% 0.1 350.7)
-
Step 400
400
#E972AE
oklch(70.8% 0.161 350.5)
-
Step 500
500
#DE4499
oklch(63.1% 0.206 350.7)
-
Step 600
600
#C91384
oklch(55.6% 0.223 350.5)
-
Step 700
700
#AC006F
oklch(49% 0.204 350.6)
-
Step 800
800
#8D095B
oklch(42.7% 0.172 350.6)
-
Step 900
900
#71174B
oklch(37.7% 0.134 350.2)
-
Step 950
950 (this color)
#420F2B
oklch(26.7% 0.085 350.6)
#420F2B 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) | #171D2C | 0.094 |
| Deuteranopia (no green cones) | #25262A | 0.083 |
| Tritanopia (no blue cones) | #470C1B | 0.031 |
| Achromatopsia (no color) | #232323 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420F2B
#420F2B
oklch(26.7% 0.085 350.6)
- #002E22
#002E22
oklch(26.8% 0.053 170.2)
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 #420F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.029
- Aubergine #3D0734 ΔE 0.030
- Eggplant #380835 ΔE 0.039
- Eggplant Purple #430541 ΔE 0.047
- Dark Purple #35063E ΔE 0.057
- Deep Violet #490648 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.062
- Deep Purple #36013F ΔE 0.063
Use #420F2B 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.