#311904
Closest named color: Dark Brown (#341C02). oklch(24.2% 0.05 59.2), rgb(49, 25, 4).
Aa
White text reads best on this color (16.51:1).
About this color
#311904 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.050 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.013 away. White text reads best on it, at 16.51:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.27:1 |
| White text | 16.51:1 |
Values
| HEX | #311904 |
| RGB | rgb(49, 25, 4) |
| HSL | hsl(28, 85%, 10%) |
| OKLCH | oklch(24.2% 0.05 59.2) |
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 #311904 | 16.51:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #311904 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #311904 text on white | 16.51:1 | AAA | Lc 103.3 | Preferred for body text |
| #311904 text on black | 1.27:1 | 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
#FAF4F0
oklch(97.1% 0.008 56.3)
-
Step 100
100
#F3E7DF
oklch(93.5% 0.017 56.2)
-
Step 200
200
#EAD4C4
oklch(88.4% 0.033 58.4)
-
Step 300
300
#DEB89B
oklch(80.9% 0.059 59.2)
-
Step 400
400
#CD9262
oklch(70.7% 0.096 59.5)
-
Step 500
500
#BF7533
oklch(63.1% 0.123 59.1)
-
Step 600
600
#AA5D00
oklch(55.7% 0.131 59.4)
-
Step 700
700
#8F4D00
oklch(49% 0.116 59.2)
-
Step 800
800
#763F00
oklch(42.7% 0.101 59.7)
-
Step 900
900
#60360D
oklch(37.8% 0.08 59.7)
-
Step 950
950 (this color)
#311904
oklch(24.2% 0.05 59.2)
#311904 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) | #201B02 | 0.038 |
| Deuteranopia (no green cones) | #262104 | 0.034 |
| Tritanopia (no blue cones) | #371414 | 0.035 |
| Achromatopsia (no color) | #1F1F1F | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311904
#311904
oklch(24.2% 0.05 59.2)
- #032335
#032335
oklch(24.4% 0.05 238)
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 #311904, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.013
- Chocolate Brown #411900 ΔE 0.036
- Deep Brown #410200 ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.062
- Jet #212529 ΔE 0.063
- Mahogany #4A0100 ΔE 0.067
- Dark #1B2431 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.089
Use #311904 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.