#3B1121
Closest named color: Dark Plum (#3F012C). oklch(25.2% 0.069 359.6), rgb(59, 17, 33).
Aa
White text reads best on this color (16.30:1).
About this color
#3B1121 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.069 and its hue 360°. 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 16.30:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.30:1 |
Values
| HEX | #3B1121 |
| RGB | rgb(59, 17, 33) |
| HSL | hsl(337, 55%, 15%) |
| OKLCH | oklch(25.2% 0.069 359.6) |
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 #3B1121 | 16.30:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3B1121 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3B1121 text on white | 16.30:1 | AAA | Lc 102.9 | Preferred for body text |
| #3B1121 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
#F4CDD8
oklch(88.5% 0.046 359.2)
-
Step 300
300
#EDABBF
oklch(80.9% 0.081 359.2)
-
Step 400
400
#E17C9E
oklch(70.7% 0.13 359.5)
-
Step 500
500
#D65686
oklch(63.2% 0.167 359.7)
-
Step 600
600
#C13670
oklch(55.7% 0.181 359.6)
-
Step 700
700
#A6275D
oklch(49.2% 0.168 359.9)
-
Step 800
800
#87234C
oklch(42.8% 0.139 0)
-
Step 900
900
#6D2340
oklch(37.8% 0.109 359.5)
-
Step 950
950 (this color)
#3B1121
oklch(25.2% 0.069 359.6)
#3B1121 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) | #191B21 | 0.076 |
| Deuteranopia (no green cones) | #242320 | 0.069 |
| Tritanopia (no blue cones) | #400D17 | 0.020 |
| Achromatopsia (no color) | #202020 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1121
#3B1121
oklch(25.2% 0.069 359.6)
- #002923
#002923
oklch(25.2% 0.046 180.4)
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 #3B1121, 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 0.049
- Deep Brown #410200 ΔE 0.052
- Mahogany #4A0100 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.062
- Dark Brown #341C02 ΔE 0.067
Use #3B1121 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.