#3B0F03
Closest named color: Deep Brown (#410200). oklch(24.2% 0.073 37.3), rgb(59, 15, 3).
Aa
White text reads best on this color (16.72:1).
About this color
#3B0F03 is a very dark, moderately saturated red. In OKLCH its lightness is 24%, its chroma 0.073 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.024 away. White text reads best on it, at 16.72:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.25:1 |
| White text | 16.72:1 |
Values
| HEX | #3B0F03 |
| RGB | rgb(59, 15, 3) |
| HSL | hsl(13, 90%, 12%) |
| OKLCH | oklch(24.2% 0.073 37.3) |
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 #3B0F03 | 16.72:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #3B0F03 | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #3B0F03 text on white | 16.72:1 | AAA | Lc 103.2 | Preferred for body text |
| #3B0F03 text on black | 1.25:1 | 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE5DE
oklch(93.7% 0.025 39.4)
-
Step 200
200
#F7CFC3
oklch(88.5% 0.048 37.3)
-
Step 300
300
#F2AD99
oklch(80.8% 0.086 36.8)
-
Step 400
400
#E97F60
oklch(70.8% 0.138 37.1)
-
Step 500
500
#DF592F
oklch(63.2% 0.177 37.4)
-
Step 600
600
#C73B00
oklch(55.5% 0.185 37.2)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#72240A
oklch(37.8% 0.115 37.3)
-
Step 950
950 (this color)
#3B0F03
oklch(24.2% 0.073 37.3)
#3B0F03 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) | #1C1802 | 0.073 |
| Deuteranopia (no green cones) | #272102 | 0.066 |
| Tritanopia (no blue cones) | #42040C | 0.030 |
| Achromatopsia (no color) | #1E1E1E | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B0F03
#3B0F03
oklch(24.2% 0.073 37.3)
- #00242D
#00242D
oklch(24% 0.043 218.3)
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 #3B0F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.024
- Chocolate Brown #411900 ΔE 0.032
- Dark Maroon #3C0008 ΔE 0.034
- Dark Brown #341C02 ΔE 0.037
- Mahogany #4A0100 ΔE 0.037
- Dark Plum #3F012C ΔE 0.083
- Jet #212529 ΔE 0.084
- Aubergine #3D0734 ΔE 0.091
Use #3B0F03 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.