#3F151A
Closest named color: Chocolate Brown (#411900). oklch(26.4% 0.066 15.6), rgb(63, 21, 26).
Aa
White text reads best on this color (15.74:1).
About this color
#3F151A is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.066 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.041 away. White text reads best on it, at 15.74:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.066) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.33:1 |
| White text | 15.74:1 |
Values
| HEX | #3F151A |
| RGB | rgb(63, 21, 26) |
| HSL | hsl(353, 50%, 16%) |
| OKLCH | oklch(26.4% 0.066 15.6) |
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 #3F151A | 15.74:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #3F151A | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #3F151A text on white | 15.74:1 | AAA | Lc 102.3 | Preferred for body text |
| #3F151A text on black | 1.33:1 | 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
#F9E4E5
oklch(93.6% 0.023 14.3)
-
Step 200
200
#F5CED0
oklch(88.5% 0.044 14.5)
-
Step 300
300
#EFADB0
oklch(81% 0.078 15.9)
-
Step 400
400
#E37E87
oklch(70.6% 0.125 15.1)
-
Step 500
500
#D85969
oklch(63% 0.16 15.3)
-
Step 600
600
#C33A50
oklch(55.5% 0.173 15.7)
-
Step 700
700
#A82B41
oklch(49.1% 0.16 15.7)
-
Step 800
800
#892636
oklch(42.8% 0.133 15.7)
-
Step 900
900
#6E252F
oklch(37.7% 0.104 15.5)
-
Step 950
950 (this color)
#3F151A
oklch(26.4% 0.066 15.6)
#3F151A 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) | #1F1D1A | 0.071 |
| Deuteranopia (no green cones) | #292619 | 0.066 |
| Tritanopia (no blue cones) | #450F17 | 0.016 |
| Achromatopsia (no color) | #232323 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F151A
#3F151A
oklch(26.4% 0.066 15.6)
- #002B2C
#002B2C
oklch(26.2% 0.045 197.2)
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 #3F151A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.041
- Deep Brown #410200 ΔE 0.043
- Mahogany #4A0100 ΔE 0.044
- Dark Maroon #3C0008 ΔE 0.046
- Dark Brown #341C02 ΔE 0.052
- Dark Plum #3F012C ΔE 0.060
- Aubergine #3D0734 ΔE 0.065
- Eggplant #380835 ΔE 0.069
Use #3F151A 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.