#3B1315
Closest named color: Deep Brown (#410200). oklch(25.2% 0.063 19.9), rgb(59, 19, 21).
Aa
White text reads best on this color (16.27:1).
About this color
#3B1315 is a dark, muted red. In OKLCH its lightness is 25%, its chroma 0.063 and its hue 20°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.037 away. White text reads best on it, at 16.27:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.27:1 |
Values
| HEX | #3B1315 |
| RGB | rgb(59, 19, 21) |
| HSL | hsl(357, 51%, 15%) |
| OKLCH | oklch(25.2% 0.063 19.9) |
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 #3B1315 | 16.27:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3B1315 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3B1315 text on white | 16.27:1 | AAA | Lc 102.9 | Preferred for body text |
| #3B1315 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E4E4
oklch(93.5% 0.022 17.6)
-
Step 200
200
#F4CFCE
oklch(88.6% 0.042 19.8)
-
Step 300
300
#EDAEAD
oklch(80.9% 0.074 19.9)
-
Step 400
400
#E28081
oklch(70.7% 0.121 19.9)
-
Step 500
500
#D65D62
oklch(63.1% 0.153 20)
-
Step 600
600
#C13E49
oklch(55.5% 0.167 19.8)
-
Step 700
700
#A72F3A
oklch(49.2% 0.156 20.1)
-
Step 800
800
#872930
oklch(42.7% 0.128 20.3)
-
Step 900
900
#6D272B
oklch(37.8% 0.1 19.9)
-
Step 950
950 (this color)
#3B1315
oklch(25.2% 0.063 19.9)
#3B1315 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) | #1D1B15 | 0.067 |
| Deuteranopia (no green cones) | #272314 | 0.062 |
| Tritanopia (no blue cones) | #410C14 | 0.018 |
| Achromatopsia (no color) | #202020 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1315
#3B1315
oklch(25.2% 0.063 19.9)
- #00282A
#00282A
oklch(25.2% 0.043 199.9)
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 #3B1315, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.040
- Mahogany #4A0100 ΔE 0.044
- Dark Brown #341C02 ΔE 0.045
- Dark Plum #3F012C ΔE 0.063
- Aubergine #3D0734 ΔE 0.069
- Jet #212529 ΔE 0.071
Use #3B1315 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.