#3E181B
Closest named color: Chocolate Brown (#411900). oklch(26.7% 0.06 17.1), rgb(62, 24, 27).
Aa
White text reads best on this color (15.54:1).
About this color
#3E181B is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.060 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.038 away. White text reads best on it, at 15.54:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.35:1 |
| White text | 15.54:1 |
Values
| HEX | #3E181B |
| RGB | rgb(62, 24, 27) |
| HSL | hsl(355, 44%, 17%) |
| OKLCH | oklch(26.7% 0.06 17.1) |
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 #3E181B | 15.54:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #3E181B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #3E181B text on white | 15.54:1 | AAA | Lc 102.2 | Preferred for body text |
| #3E181B text on black | 1.35:1 | 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F7E5E5
oklch(93.6% 0.02 17.5)
-
Step 200
200
#F2CFD0
oklch(88.4% 0.039 16)
-
Step 300
300
#EBAFB0
oklch(81% 0.07 17.6)
-
Step 400
400
#DE8287
oklch(70.7% 0.114 16.9)
-
Step 500
500
#D26069
oklch(63.1% 0.144 17.3)
-
Step 600
600
#BD4351
oklch(55.6% 0.156 17.1)
-
Step 700
700
#A33442
oklch(49.2% 0.146 17.1)
-
Step 800
800
#842C36
oklch(42.7% 0.121 17.2)
-
Step 900
900
#6B292F
oklch(37.8% 0.094 17.3)
-
Step 950
950 (this color)
#3E181B
oklch(26.7% 0.06 17.1)
#3E181B 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) | #201F1B | 0.065 |
| Deuteranopia (no green cones) | #2A271A | 0.060 |
| Tritanopia (no blue cones) | #441319 | 0.016 |
| Achromatopsia (no color) | #242424 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E181B
#3E181B
oklch(26.7% 0.06 17.1)
- #002C2D
#002C2D
oklch(26.6% 0.045 197.1)
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 #3E181B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.038
- Dark Brown #341C02 ΔE 0.048
- Deep Brown #410200 ΔE 0.049
- Mahogany #4A0100 ΔE 0.049
- Dark Maroon #3C0008 ΔE 0.052
- Dark Plum #3F012C ΔE 0.065
- Jet #212529 ΔE 0.066
- Aubergine #3D0734 ΔE 0.068
Use #3E181B 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.