#42052A
Closest named color: Dark Plum (#3F012C). oklch(25.6% 0.098 349.4), rgb(66, 5, 42).
Aa
White text reads best on this color (16.31:1).
About this color
#42052A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.098 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.014 away. White text reads best on it, at 16.31:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.31:1 |
Values
| HEX | #42052A |
| RGB | rgb(66, 5, 42) |
| HSL | hsl(324, 86%, 14%) |
| OKLCH | oklch(25.6% 0.098 349.4) |
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 #42052A | 16.31:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #42052A | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #42052A text on white | 16.31:1 | AAA | Lc 102.4 | Preferred for body text |
| #42052A text on black | 1.28:1 | 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
#FEF1F7
oklch(97% 0.016 347.6)
-
Step 100
100
#FCE1ED
oklch(93.5% 0.033 349.1)
-
Step 200
200
#FBC8E0
oklch(88.4% 0.065 348.6)
-
Step 300
300
#F9A1CC
oklch(80.9% 0.116 349.3)
-
Step 400
400
#F168B2
oklch(70.7% 0.185 349.3)
-
Step 500
500
#E82E9F
oklch(63.2% 0.237 349.4)
-
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
#77034E
oklch(37.7% 0.155 349.3)
-
Step 950
950 (this color)
#42052A
oklch(25.6% 0.098 349.4)
#42052A 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) | #10192B | 0.111 |
| Deuteranopia (no green cones) | #222429 | 0.097 |
| Tritanopia (no blue cones) | #480217 | 0.038 |
| Achromatopsia (no color) | #202020 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42052A
#42052A
oklch(25.6% 0.098 349.4)
- #002B1F
#002B1F
oklch(25.7% 0.051 169.2)
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 #42052A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.014
- Aubergine #3D0734 ΔE 0.023
- Eggplant #380835 ΔE 0.033
- Eggplant Purple #430541 ΔE 0.043
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.055
- Deep Violet #490648 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.060
Use #42052A 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.