#3A1121
Closest named color: Dark Plum (#3F012C). oklch(25% 0.068 358.9), rgb(58, 17, 33).
Aa
White text reads best on this color (16.38:1).
About this color
#3A1121 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.068 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.041 away. White text reads best on it, at 16.38:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.38:1 |
Values
| HEX | #3A1121 |
| RGB | rgb(58, 17, 33) |
| HSL | hsl(337, 55%, 15%) |
| OKLCH | oklch(25% 0.068 358.9) |
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 #3A1121 | 16.38:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3A1121 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3A1121 text on white | 16.38:1 | AAA | Lc 103.0 | Preferred for body text |
| #3A1121 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E9
oklch(93.6% 0.023 0.5)
-
Step 200
200
#F3CED8
oklch(88.6% 0.043 359.9)
-
Step 300
300
#ECABBF
oklch(80.8% 0.08 358.9)
-
Step 400
400
#E07D9F
oklch(70.8% 0.128 358.9)
-
Step 500
500
#D45787
oklch(63% 0.164 358.9)
-
Step 600
600
#BF3871
oklch(55.6% 0.177 358.9)
-
Step 700
700
#A5295F
oklch(49.2% 0.165 358.9)
-
Step 800
800
#86244D
oklch(42.7% 0.137 359.3)
-
Step 900
900
#6C2440
oklch(37.8% 0.106 359.4)
-
Step 950
950 (this color)
#3A1121
oklch(25% 0.068 358.9)
#3A1121 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) | #181B21 | 0.075 |
| Deuteranopia (no green cones) | #232220 | 0.067 |
| Tritanopia (no blue cones) | #3F0D17 | 0.020 |
| Achromatopsia (no color) | #202020 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1121
#3A1121
oklch(25% 0.068 358.9)
- #002922
#002922
oklch(25.1% 0.046 178.2)
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 #3A1121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.045
- Aubergine #3D0734 ΔE 0.045
- Eggplant #380835 ΔE 0.048
- Deep Brown #410200 ΔE 0.052
- Mahogany #4A0100 ΔE 0.058
- Chocolate Brown #411900 ΔE 0.063
- Dark Brown #341C02 ΔE 0.067
Use #3A1121 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.