#3F0F15
Closest named color: Deep Brown (#410200). oklch(25.3% 0.074 17.1), rgb(63, 15, 21).
Aa
White text reads best on this color (16.27:1).
About this color
#3F0F15 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.074 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.032 away. White text reads best on it, at 16.27:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.29:1 |
| White text | 16.27:1 |
Values
| HEX | #3F0F15 |
| RGB | rgb(63, 15, 21) |
| HSL | hsl(353, 62%, 15%) |
| OKLCH | oklch(25.3% 0.074 17.1) |
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 #3F0F15 | 16.27:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #3F0F15 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #3F0F15 text on white | 16.27:1 | AAA | Lc 102.7 | Preferred for body text |
| #3F0F15 text on black | 1.29:1 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAC
oklch(80.9% 0.087 17.4)
-
Step 400
400
#EB7980
oklch(70.7% 0.141 17.5)
-
Step 500
500
#E15061
oklch(63.2% 0.18 17.1)
-
Step 600
600
#CC2A48
oklch(55.6% 0.196 16.9)
-
Step 700
700
#B01939
oklch(49.1% 0.182 17.1)
-
Step 800
800
#8F1A30
oklch(42.7% 0.151 16.8)
-
Step 900
900
#731E2A
oklch(37.7% 0.118 17)
-
Step 950
950 (this color)
#3F0F15
oklch(25.3% 0.074 17.1)
#3F0F15 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) | #1B1A15 | 0.082 |
| Deuteranopia (no green cones) | #272414 | 0.076 |
| Tritanopia (no blue cones) | #460511 | 0.020 |
| Achromatopsia (no color) | #202020 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0F15
#3F0F15
oklch(25.3% 0.074 17.1)
- #002929
#002929
oklch(25.4% 0.043 194.8)
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 #3F0F15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.032
- Dark Maroon #3C0008 ΔE 0.033
- Mahogany #4A0100 ΔE 0.036
- Chocolate Brown #411900 ΔE 0.044
- Dark Brown #341C02 ΔE 0.055
- Dark Plum #3F012C ΔE 0.057
- Aubergine #3D0734 ΔE 0.065
- Eggplant #380835 ΔE 0.070
Use #3F0F15 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.