#3B150A
Closest named color: Chocolate Brown (#411900). oklch(25.3% 0.063 36.9), rgb(59, 21, 10).
Aa
White text reads best on this color (16.18:1).
About this color
#3B150A is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.063 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.024 away. White text reads best on it, at 16.18:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.29:1 |
| White text | 16.18:1 |
Values
| HEX | #3B150A |
| RGB | rgb(59, 21, 10) |
| HSL | hsl(13, 71%, 14%) |
| OKLCH | oklch(25.3% 0.063 36.9) |
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 #3B150A | 16.18:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3B150A | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #3B150A text on white | 16.18:1 | AAA | Lc 102.8 | Preferred for body text |
| #3B150A 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F8E5E0
oklch(93.6% 0.022 35.1)
-
Step 200
200
#F3D0C6
oklch(88.4% 0.042 36.5)
-
Step 300
300
#ECB09F
oklch(80.8% 0.075 36.4)
-
Step 400
400
#E0846A
oklch(70.6% 0.12 36.6)
-
Step 500
500
#D56240
oklch(63.1% 0.153 37.2)
-
Step 600
600
#C1441E
oklch(55.6% 0.168 36.6)
-
Step 700
700
#A6350F
oklch(49.2% 0.155 36.9)
-
Step 800
800
#872D11
oklch(42.8% 0.129 36.8)
-
Step 900
900
#6C2A16
oklch(37.7% 0.1 37.3)
-
Step 950
950 (this color)
#3B150A
oklch(25.3% 0.063 36.9)
#3B150A 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) | #1F1B09 | 0.063 |
| Deuteranopia (no green cones) | #292409 | 0.058 |
| Tritanopia (no blue cones) | #420D13 | 0.029 |
| Achromatopsia (no color) | #212121 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B150A
#3B150A
oklch(25.3% 0.063 36.9)
- #002730
#002730
oklch(25.2% 0.045 217.1)
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 #3B150A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.024
- Dark Brown #341C02 ΔE 0.030
- Deep Brown #410200 ΔE 0.035
- Mahogany #4A0100 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.044
- Jet #212529 ΔE 0.072
- Dark Plum #3F012C ΔE 0.082
- Dark #1B2431 ΔE 0.087
Use #3B150A 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.