#3D021B
Closest named color: Dark Maroon (#3C0008). oklch(23.5% 0.091 1.7), rgb(61, 2, 27).
Aa
White text reads best on this color (17.17:1).
About this color
#3D021B is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.091 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.031 away. White text reads best on it, at 17.17:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.22:1 |
| White text | 17.17:1 |
Values
| HEX | #3D021B |
| RGB | rgb(61, 2, 27) |
| HSL | hsl(335, 94%, 12%) |
| OKLCH | oklch(23.5% 0.091 1.7) |
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 #3D021B | 17.17:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #3D021B | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #3D021B text on white | 17.17:1 | AAA | Lc 103.1 | Preferred for body text |
| #3D021B text on black | 1.22:1 | 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
#FFF2F5
oklch(97.2% 0.015 1.5)
-
Step 100
100
#FDE2E8
oklch(93.6% 0.031 2.6)
-
Step 200
200
#FCC9D6
oklch(88.4% 0.06 1.4)
-
Step 300
300
#FBA3BB
oklch(80.9% 0.108 2)
-
Step 400
400
#F46B99
oklch(70.7% 0.173 1.5)
-
Step 500
500
#EB3680
oklch(63.1% 0.221 1.6)
-
Step 600
600
#D1006A
oklch(55.6% 0.225 1.6)
-
Step 700
700
#B10058
oklch(49.1% 0.198 2)
-
Step 800
800
#920048
oklch(42.6% 0.172 1.7)
-
Step 900
900
#790B3C
oklch(37.8% 0.144 1.9)
-
Step 950
950 (this color)
#3D021B
oklch(23.5% 0.091 1.7)
#3D021B 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) | #11141C | 0.103 |
| Deuteranopia (no green cones) | #211F1A | 0.091 |
| Tritanopia (no blue cones) | #43000D | 0.028 |
| Achromatopsia (no color) | #1B1B1B | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D021B
#3D021B
oklch(23.5% 0.091 1.7)
- #002420
#002420
oklch(23.4% 0.041 184.1)
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 #3D021B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.031
- Dark Plum #3F012C ΔE 0.033
- Deep Brown #410200 ΔE 0.046
- Aubergine #3D0734 ΔE 0.047
- Eggplant #380835 ΔE 0.051
- Mahogany #4A0100 ΔE 0.054
- Dark Purple #35063E ΔE 0.071
- Eggplant Purple #430541 ΔE 0.072
Use #3D021B 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.