#3F211D
Closest named color: Chocolate Brown (#411900). oklch(28.7% 0.047 28.4), rgb(63, 33, 29).
Aa
White text reads best on this color (14.51:1).
About this color
#3F211D is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.037 away. White text reads best on it, at 14.51:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.44:1 |
| White text | 14.51:1 |
Values
| HEX | #3F211D |
| RGB | rgb(63, 33, 29) |
| HSL | hsl(7, 37%, 18%) |
| OKLCH | oklch(28.7% 0.047 28.4) |
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 #3F211D | 14.51:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #3F211D | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #3F211D text on white | 14.51:1 | AAA | Lc 101.2 | Preferred for body text |
| #3F211D text on black | 1.44:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E3B4AC
oklch(81% 0.056 29.5)
-
Step 400
400
#D38B81
oklch(70.7% 0.09 28.2)
-
Step 500
500
#C56D61
oklch(63.1% 0.114 28.8)
-
Step 600
600
#B05348
oklch(55.6% 0.124 28.6)
-
Step 700
700
#974339
oklch(49.1% 0.115 28.8)
-
Step 800
800
#7B3830
oklch(42.8% 0.095 28.6)
-
Step 900
900
#63312A
oklch(37.7% 0.074 29.3)
-
Step 950
950 (this color)
#3F211D
oklch(28.7% 0.047 28.4)
#3F211D 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) | #28251D | 0.048 |
| Deuteranopia (no green cones) | #2F2C1D | 0.046 |
| Tritanopia (no blue cones) | #451D20 | 0.018 |
| Achromatopsia (no color) | #292929 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F211D
#3F211D
oklch(28.7% 0.047 28.4)
- #033137
#033137
oklch(28.7% 0.047 208.3)
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 #3F211D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.037
- Dark Brown #341C02 ΔE 0.046
- Jet #212529 ΔE 0.060
- Mahogany #4A0100 ΔE 0.064
- Deep Brown #410200 ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.072
- Dark #1B2431 ΔE 0.075
- Gunmetal #293241 ΔE 0.075
Use #3F211D 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.