#3F0D15
Closest named color: Dark Maroon (#3C0008). oklch(25.1% 0.077 15.6), rgb(63, 13, 21).
Aa
White text reads best on this color (16.40:1).
About this color
#3F0D15 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.077 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.030 away. White text reads best on it, at 16.40:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.27:1 |
| White text | 16.40:1 |
Values
| HEX | #3F0D15 |
| RGB | rgb(63, 13, 21) |
| HSL | hsl(350, 66%, 15%) |
| OKLCH | oklch(25.1% 0.077 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 #3F0D15 | 16.40:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3F0D15 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #3F0D15 text on white | 16.40:1 | AAA | Lc 102.8 | Preferred for body text |
| #3F0D15 text on black | 1.27:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F9CCCE
oklch(88.5% 0.051 15.2)
-
Step 300
300
#F6A9AD
oklch(81% 0.091 15.9)
-
Step 400
400
#ED7782
oklch(70.8% 0.146 15.7)
-
Step 500
500
#E34C63
oklch(63.1% 0.186 15.5)
-
Step 600
600
#CF234A
oklch(55.7% 0.203 15.6)
-
Step 700
700
#B2103B
oklch(49.1% 0.189 15.6)
-
Step 800
800
#911531
oklch(42.8% 0.156 15.7)
-
Step 900
900
#741C2B
oklch(37.7% 0.121 15.7)
-
Step 950
950 (this color)
#3F0D15
oklch(25.1% 0.077 15.6)
#3F0D15 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) | #1A1915 | 0.085 |
| Deuteranopia (no green cones) | #272314 | 0.077 |
| Tritanopia (no blue cones) | #460310 | 0.020 |
| Achromatopsia (no color) | #1F1F1F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0D15
#3F0D15
oklch(25.1% 0.077 15.6)
- #002828
#002828
oklch(25.1% 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 #3F0D15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.030
- Deep Brown #410200 ΔE 0.031
- Mahogany #4A0100 ΔE 0.036
- Chocolate Brown #411900 ΔE 0.047
- Dark Plum #3F012C ΔE 0.054
- Dark Brown #341C02 ΔE 0.058
- Aubergine #3D0734 ΔE 0.063
- Eggplant #380835 ΔE 0.068
Use #3F0D15 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.