#3B130B
Closest named color: Chocolate Brown (#411900). oklch(24.9% 0.065 33.1), rgb(59, 19, 11).
Aa
White text reads best on this color (16.35:1).
About this color
#3B130B is a very dark, muted red. In OKLCH its lightness is 25%, its chroma 0.065 and its hue 33°. 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 16.35:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.28:1 |
| White text | 16.35:1 |
Values
| HEX | #3B130B |
| RGB | rgb(59, 19, 11) |
| HSL | hsl(10, 69%, 14%) |
| OKLCH | oklch(24.9% 0.065 33.1) |
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 #3B130B | 16.35:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3B130B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3B130B text on white | 16.35:1 | AAA | Lc 102.9 | Preferred for body text |
| #3B130B text on black | 1.28:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F4D0C7
oklch(88.6% 0.043 34.3)
-
Step 300
300
#EEAFA1
oklch(80.9% 0.077 32.9)
-
Step 400
400
#E3826D
oklch(70.7% 0.124 33.2)
-
Step 500
500
#D85E46
oklch(63.1% 0.159 32.9)
-
Step 600
600
#C34026
oklch(55.6% 0.172 33.1)
-
Step 700
700
#A83018
oklch(49% 0.16 33.1)
-
Step 800
800
#892A17
oklch(42.8% 0.133 33.2)
-
Step 900
900
#6E281A
oklch(37.8% 0.103 33.1)
-
Step 950
950 (this color)
#3B130B
oklch(24.9% 0.065 33.1)
#3B130B 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) | #1E1A0A | 0.066 |
| Deuteranopia (no green cones) | #28230A | 0.061 |
| Tritanopia (no blue cones) | #420A11 | 0.026 |
| Achromatopsia (no color) | #202020 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B130B
#3B130B
oklch(24.9% 0.065 33.1)
- #00272E
#00272E
oklch(25% 0.044 212.5)
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 #3B130B, 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 0.031
- Dark Brown #341C02 ΔE 0.034
- Dark Maroon #3C0008 ΔE 0.039
- Mahogany #4A0100 ΔE 0.040
- Jet #212529 ΔE 0.075
- Dark Plum #3F012C ΔE 0.077
- Aubergine #3D0734 ΔE 0.084
Use #3B130B 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.