#3D1B18
Closest named color: Chocolate Brown (#411900). oklch(27% 0.054 26.5), rgb(61, 27, 24).
Aa
White text reads best on this color (15.34:1).
About this color
#3D1B18 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.054 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.031 away. White text reads best on it, at 15.34:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.36:1 |
| White text | 15.34:1 |
Values
| HEX | #3D1B18 |
| RGB | rgb(61, 27, 24) |
| HSL | hsl(5, 44%, 17%) |
| OKLCH | oklch(27% 0.054 26.5) |
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 #3D1B18 | 15.34:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #3D1B18 | 1.36:1 | Fails | Lc 0.0 | Not readable |
| #3D1B18 text on white | 15.34:1 | AAA | Lc 102.0 | Preferred for body text |
| #3D1B18 text on black | 1.36:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E5E3
oklch(93.5% 0.019 25.6)
-
Step 200
200
#F0D1CD
oklch(88.6% 0.035 26.6)
-
Step 300
300
#E7B1AB
oklch(80.8% 0.064 25.8)
-
Step 400
400
#D9877E
oklch(70.7% 0.102 26.7)
-
Step 500
500
#CD675E
oklch(63.2% 0.131 26.6)
-
Step 600
600
#B84B44
oklch(55.6% 0.143 26.4)
-
Step 700
700
#9E3C36
oklch(49.1% 0.132 26.6)
-
Step 800
800
#80322D
oklch(42.6% 0.109 26.4)
-
Step 900
900
#682D28
oklch(37.8% 0.086 26.8)
-
Step 950
950 (this color)
#3D1B18
oklch(27% 0.054 26.5)
#3D1B18 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) | #232118 | 0.056 |
| Deuteranopia (no green cones) | #2B2817 | 0.054 |
| Tritanopia (no blue cones) | #43161A | 0.018 |
| Achromatopsia (no color) | #252525 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1B18
#3D1B18
oklch(27% 0.054 26.5)
- #002D32
#002D32
oklch(27.1% 0.046 206.3)
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 #3D1B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.031
- Dark Brown #341C02 ΔE 0.039
- Deep Brown #410200 ΔE 0.052
- Mahogany #4A0100 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.058
- Jet #212529 ΔE 0.062
- Dark #1B2431 ΔE 0.076
- Dark Plum #3F012C ΔE 0.076
Use #3D1B18 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.