#420B2B
Closest named color: Dark Plum (#3F012C). oklch(26.3% 0.091 349.6), rgb(66, 11, 43).
Aa
White text reads best on this color (15.97:1).
About this color
#420B2B is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.091 and its hue 350°. 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 15.97:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.31:1 |
| White text | 15.97:1 |
Values
| HEX | #420B2B |
| RGB | rgb(66, 11, 43) |
| HSL | hsl(325, 71%, 15%) |
| OKLCH | oklch(26.3% 0.091 349.6) |
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 #420B2B | 15.97:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #420B2B | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #420B2B text on white | 15.97:1 | AAA | Lc 102.3 | Preferred for body text |
| #420B2B 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
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F9CADF
oklch(88.6% 0.059 349.7)
-
Step 300
300
#F5A4CB
oklch(80.9% 0.107 349.4)
-
Step 400
400
#EC6EB0
oklch(70.7% 0.171 349.7)
-
Step 500
500
#E23C9D
oklch(63.1% 0.219 349.5)
-
Step 600
600
#CB0087
oklch(55.6% 0.232 349.5)
-
Step 700
700
#AC0072
oklch(49.1% 0.205 349.4)
-
Step 800
800
#8E005D
oklch(42.7% 0.178 349.6)
-
Step 900
900
#74104D
oklch(37.8% 0.144 349.5)
-
Step 950
950 (this color)
#420B2B
oklch(26.3% 0.091 349.6)
#420B2B 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) | #141B2C | 0.101 |
| Deuteranopia (no green cones) | #24252A | 0.088 |
| Tritanopia (no blue cones) | #470819 | 0.035 |
| Achromatopsia (no color) | #222222 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #420B2B
#420B2B
oklch(26.3% 0.091 349.6)
- #002D20
#002D20
oklch(26.4% 0.053 168.2)
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 #420B2B, 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 0.025
- Eggplant #380835 ΔE 0.035
- Eggplant Purple #430541 ΔE 0.044
- Dark Purple #35063E ΔE 0.054
- Deep Violet #490648 ΔE 0.056
- Deep Purple #36013F ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.061
Use #420B2B 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.