#3F231A
Closest named color: Chocolate Brown (#411900). oklch(29% 0.046 38.6), rgb(63, 35, 26).
Aa
White text reads best on this color (14.31:1).
About this color
#3F231A is a dark, muted red. In OKLCH its lightness is 29%, its chroma 0.046 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.035 away. White text reads best on it, at 14.31:1.
| Hue family | Reds |
| Lightness | dark (29%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #3F231A |
| RGB | rgb(63, 35, 26) |
| HSL | hsl(15, 42%, 17%) |
| OKLCH | oklch(29% 0.046 38.6) |
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 #3F231A | 14.31:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #3F231A | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #3F231A text on white | 14.31:1 | AAA | Lc 100.9 | Preferred for body text |
| #3F231A text on black | 1.46:1 | 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
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3CB
oklch(88.5% 0.03 38.6)
-
Step 300
300
#E1B5A7
oklch(80.9% 0.055 38.4)
-
Step 400
400
#D08E78
oklch(70.7% 0.087 39.2)
-
Step 500
500
#C27056
oklch(63% 0.111 38.3)
-
Step 600
600
#AE573B
oklch(55.7% 0.121 38.4)
-
Step 700
700
#95462D
oklch(49% 0.113 38.1)
-
Step 800
800
#793A26
oklch(42.6% 0.094 38.2)
-
Step 900
900
#623323
oklch(37.8% 0.073 39.4)
-
Step 950
950 (this color)
#3F231A
oklch(29% 0.046 38.6)
#3F231A 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) | #2A2719 | 0.044 |
| Deuteranopia (no green cones) | #312D1A | 0.041 |
| Tritanopia (no blue cones) | #451E21 | 0.024 |
| Achromatopsia (no color) | #2A2A2A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F231A
#3F231A
oklch(29% 0.046 38.6)
- #09313B
#09313B
oklch(29.1% 0.046 218.4)
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 #3F231A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.035
- Dark Brown #341C02 ΔE 0.044
- Jet #212529 ΔE 0.061
- Mahogany #4A0100 ΔE 0.068
- Deep Brown #410200 ΔE 0.072
- Pakistan Green #283618 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.074
- Gunmetal #293241 ΔE 0.075
Use #3F231A 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.