#311309
Closest named color: Dark Brown (#341C02). oklch(23% 0.052 38.9), rgb(49, 19, 9).
Aa
White text reads best on this color (17.10:1).
About this color
#311309 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.052 and its hue 39°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.033 away. White text reads best on it, at 17.10:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.22:1 |
| White text | 17.10:1 |
Values
| HEX | #311309 |
| RGB | rgb(49, 19, 9) |
| HSL | hsl(15, 69%, 11%) |
| OKLCH | oklch(23% 0.052 38.9) |
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 #311309 | 17.10:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #311309 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #311309 text on white | 17.10:1 | AAA | Lc 103.8 | Preferred for body text |
| #311309 text on black | 1.22:1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EED2C9
oklch(88.5% 0.034 38.6)
-
Step 300
300
#E5B4A4
oklch(81% 0.062 38.9)
-
Step 400
400
#D68B72
oklch(70.8% 0.099 39.2)
-
Step 500
500
#C96C4D
oklch(63.1% 0.126 39)
-
Step 600
600
#B45130
oklch(55.5% 0.137 38.6)
-
Step 700
700
#9B4122
oklch(49.1% 0.128 38.8)
-
Step 800
800
#7E361E
oklch(42.7% 0.107 38.6)
-
Step 900
900
#66301E
oklch(37.8% 0.083 38.9)
-
Step 950
950 (this color)
#311309
oklch(23% 0.052 38.9)
#311309 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) | #1B1808 | 0.051 |
| Deuteranopia (no green cones) | #221E08 | 0.047 |
| Tritanopia (no blue cones) | #370D11 | 0.026 |
| Achromatopsia (no color) | #1C1C1C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311309
#311309
oklch(23% 0.052 38.9)
- #00212A
#00212A
oklch(22.9% 0.042 219.6)
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 #311309, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.033
- Deep Brown #410200 ΔE 0.044
- Dark Maroon #3C0008 ΔE 0.044
- Chocolate Brown #411900 ΔE 0.045
- Mahogany #4A0100 ΔE 0.060
- Jet #212529 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.079
- Dark #1B2431 ΔE 0.081
Use #311309 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.