#33130F
Closest named color: Dark Brown (#341C02). oklch(23.5% 0.053 28.9), rgb(51, 19, 15).
Aa
White text reads best on this color (16.92:1).
About this color
#33130F is a very dark, muted red. In OKLCH its lightness is 24%, its chroma 0.053 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.037 away. White text reads best on it, at 16.92:1.
| Hue family | Reds |
| Lightness | very dark (24%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #33130F |
| RGB | rgb(51, 19, 15) |
| HSL | hsl(7, 55%, 13%) |
| OKLCH | oklch(23.5% 0.053 28.9) |
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 #33130F | 16.92:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #33130F | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #33130F text on white | 16.92:1 | AAA | Lc 103.6 | Preferred for body text |
| #33130F text on black | 1.24:1 | 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
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E3
oklch(93.7% 0.018 30.3)
-
Step 200
200
#EFD1CC
oklch(88.4% 0.034 29)
-
Step 300
300
#E6B2AA
oklch(80.9% 0.062 28.5)
-
Step 400
400
#D8887C
oklch(70.7% 0.101 29.1)
-
Step 500
500
#CB685B
oklch(63% 0.128 28.9)
-
Step 600
600
#B64D41
oklch(55.5% 0.139 28.9)
-
Step 700
700
#9D3E33
oklch(49.2% 0.129 29.2)
-
Step 800
800
#7F342B
oklch(42.7% 0.106 29.1)
-
Step 900
900
#672E27
oklch(37.8% 0.084 28.8)
-
Step 950
950 (this color)
#33130F
oklch(23.5% 0.053 28.9)
#33130F 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) | #1B180F | 0.054 |
| Deuteranopia (no green cones) | #231F0E | 0.050 |
| Tritanopia (no blue cones) | #380D12 | 0.019 |
| Achromatopsia (no color) | #1D1D1D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33130F
#33130F
oklch(23.5% 0.053 28.9)
- #002328
#002328
oklch(23.4% 0.04 208.6)
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 #33130F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.040
- Deep Brown #410200 ΔE 0.042
- Chocolate Brown #411900 ΔE 0.045
- Mahogany #4A0100 ΔE 0.056
- Jet #212529 ΔE 0.066
- Dark Plum #3F012C ΔE 0.076
- Dark #1B2431 ΔE 0.078
Use #33130F 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.