#421624
Closest named color: Dark Plum (#3F012C). oklch(27.4% 0.07 3), rgb(66, 22, 36).
Aa
White text reads best on this color (15.30:1).
About this color
#421624 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.070 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.051 away. White text reads best on it, at 15.30:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.37:1 |
| White text | 15.30:1 |
Values
| HEX | #421624 |
| RGB | rgb(66, 22, 36) |
| HSL | hsl(341, 50%, 17%) |
| OKLCH | oklch(27.4% 0.07 3) |
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 #421624 | 15.30:1 | AAA | Lc -104.6 | Preferred for body text |
| Black text on #421624 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #421624 text on white | 15.30:1 | AAA | Lc 101.9 | Preferred for body text |
| #421624 text on black | 1.37:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F9E4E8
oklch(93.7% 0.024 4.5)
-
Step 200
200
#F5CDD6
oklch(88.5% 0.046 2.9)
-
Step 300
300
#EFABBB
oklch(81% 0.082 3.6)
-
Step 400
400
#E47B98
oklch(70.8% 0.133 3.4)
-
Step 500
500
#D8547F
oklch(63% 0.17 3.1)
-
Step 600
600
#C33369
oklch(55.5% 0.184 2.8)
-
Step 700
700
#A82457
oklch(49.1% 0.171 3.1)
-
Step 800
800
#892147
oklch(42.8% 0.141 3.4)
-
Step 900
900
#6E223C
oklch(37.7% 0.11 2.9)
-
Step 950
950 (this color)
#421624
oklch(27.4% 0.07 3)
#421624 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) | #1E2024 | 0.078 |
| Deuteranopia (no green cones) | #2A2823 | 0.070 |
| Tritanopia (no blue cones) | #48111B | 0.020 |
| Achromatopsia (no color) | #252525 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #421624
#421624
oklch(27.4% 0.07 3)
- #002F2A
#002F2A
oklch(27.4% 0.049 183.8)
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 #421624, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.051
- Aubergine #3D0734 ΔE 0.053
- Mahogany #4A0100 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.056
- Deep Brown #410200 ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.058
- Eggplant #380835 ΔE 0.059
- Dark Brown #341C02 ΔE 0.068
Use #421624 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.