#3F211B
Closest named color: Chocolate Brown (#411900). oklch(28.6% 0.048 32.2), rgb(63, 33, 27).
Aa
White text reads best on this color (14.53:1).
About this color
#3F211B is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.048 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.034 away. White text reads best on it, at 14.53:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.44:1 |
| White text | 14.53:1 |
Values
| HEX | #3F211B |
| RGB | rgb(63, 33, 27) |
| HSL | hsl(10, 40%, 18%) |
| OKLCH | oklch(28.6% 0.048 32.2) |
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 #3F211B | 14.53:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #3F211B | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #3F211B text on white | 14.53:1 | AAA | Lc 101.2 | Preferred for body text |
| #3F211B 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EDD2CC
oklch(88.5% 0.031 32.6)
-
Step 300
300
#E3B4AA
oklch(80.9% 0.057 32.1)
-
Step 400
400
#D38B7D
oklch(70.6% 0.091 31.5)
-
Step 500
500
#C66D5C
oklch(63.2% 0.117 31.9)
-
Step 600
600
#B15342
oklch(55.6% 0.126 31.9)
-
Step 700
700
#984333
oklch(49.1% 0.118 32.4)
-
Step 800
800
#7B382B
oklch(42.7% 0.097 32.5)
-
Step 900
900
#643127
oklch(37.8% 0.076 32.3)
-
Step 950
950 (this color)
#3F211B
oklch(28.6% 0.048 32.2)
#3F211B 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) | #28251A | 0.048 |
| Deuteranopia (no green cones) | #2F2C1B | 0.046 |
| Tritanopia (no blue cones) | #451C20 | 0.022 |
| Achromatopsia (no color) | #292929 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F211B
#3F211B
oklch(28.6% 0.048 32.2)
- #033038
#033038
oklch(28.5% 0.048 212.9)
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 #3F211B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.034
- Dark Brown #341C02 ΔE 0.044
- Jet #212529 ΔE 0.061
- Mahogany #4A0100 ΔE 0.063
- Deep Brown #410200 ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.076
- Dark #1B2431 ΔE 0.076
Use #3F211B 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.