#3F130F
Closest named color: Chocolate Brown (#411900). oklch(25.8% 0.07 28.1), rgb(63, 19, 15).
Aa
White text reads best on this color (16.01:1).
About this color
#3F130F is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.029 away. White text reads best on it, at 16.01:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.31:1 |
| White text | 16.01:1 |
Values
| HEX | #3F130F |
| RGB | rgb(63, 19, 15) |
| HSL | hsl(5, 62%, 15%) |
| OKLCH | oklch(25.8% 0.07 28.1) |
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 #3F130F | 16.01:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #3F130F | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #3F130F text on white | 16.01:1 | AAA | Lc 102.5 | Preferred for body text |
| #3F130F text on black | 1.31:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CEC8
oklch(88.4% 0.046 28)
-
Step 300
300
#F1ADA3
oklch(80.9% 0.082 28.4)
-
Step 400
400
#E77E71
oklch(70.7% 0.132 28.2)
-
Step 500
500
#DD584C
oklch(63.1% 0.169 28)
-
Step 600
600
#C8372E
oklch(55.5% 0.183 28.2)
-
Step 700
700
#AD2721
oklch(49.1% 0.171 28.1)
-
Step 800
800
#8C231D
oklch(42.6% 0.142 28.1)
-
Step 900
900
#71241D
oklch(37.8% 0.11 28.6)
-
Step 950
950 (this color)
#3F130F
oklch(25.8% 0.07 28.1)
#3F130F 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) | #1F1C0E | 0.073 |
| Deuteranopia (no green cones) | #2A250E | 0.067 |
| Tritanopia (no blue cones) | #460912 | 0.024 |
| Achromatopsia (no color) | #212121 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F130F
#3F130F
oklch(25.8% 0.07 28.1)
- #00292F
#00292F
oklch(25.7% 0.044 209.6)
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 #3F130F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.029
- Deep Brown #410200 ΔE 0.032
- Mahogany #4A0100 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.040
- Dark Brown #341C02 ΔE 0.042
- Dark Plum #3F012C ΔE 0.072
- Jet #212529 ΔE 0.078
- Aubergine #3D0734 ΔE 0.079
Use #3F130F 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.