#311809
Closest named color: Dark Brown (#341C02). oklch(24.1% 0.047 50), rgb(49, 24, 9).
Aa
White text reads best on this color (16.59:1).
About this color
#311809 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.047 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.019 away. White text reads best on it, at 16.59:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.59:1 |
Values
| HEX | #311809 |
| RGB | rgb(49, 24, 9) |
| HSL | hsl(23, 69%, 11%) |
| OKLCH | oklch(24.1% 0.047 50) |
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 #311809 | 16.59:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #311809 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #311809 text on white | 16.59:1 | AAA | Lc 103.4 | Preferred for body text |
| #311809 text on black | 1.26:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E0
oklch(93.6% 0.016 52.6)
-
Step 200
200
#EBD4C7
oklch(88.5% 0.031 51.5)
-
Step 300
300
#DFB7A1
oklch(80.9% 0.055 50.4)
-
Step 400
400
#CE906E
oklch(70.7% 0.089 49.6)
-
Step 500
500
#C07346
oklch(63% 0.114 49.8)
-
Step 600
600
#AC5A26
oklch(55.6% 0.125 49.7)
-
Step 700
700
#934A18
oklch(49.2% 0.115 50.4)
-
Step 800
800
#773D17
oklch(42.7% 0.095 50.4)
-
Step 900
900
#61341A
oklch(37.7% 0.075 49)
-
Step 950
950 (this color)
#311809
oklch(24.1% 0.047 50)
#311809 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) | #1F1B08 | 0.040 |
| Deuteranopia (no green cones) | #252109 | 0.038 |
| Tritanopia (no blue cones) | #361315 | 0.029 |
| Achromatopsia (no color) | #1E1E1E | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311809
#311809
oklch(24.1% 0.047 50)
- #012331
#012331
oklch(24% 0.047 230)
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 #311809, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.019
- Chocolate Brown #411900 ΔE 0.038
- Deep Brown #410200 ΔE 0.052
- Dark Maroon #3C0008 ΔE 0.057
- Jet #212529 ΔE 0.060
- Mahogany #4A0100 ΔE 0.065
- Dark #1B2431 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.085
Use #311809 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.