#311506
Closest named color: Dark Brown (#341C02). oklch(23.4% 0.052 47.4), rgb(49, 21, 6).
Aa
White text reads best on this color (16.92:1).
About this color
#311506 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.052 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.025 away. White text reads best on it, at 16.92:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.24:1 |
| White text | 16.92:1 |
Values
| HEX | #311506 |
| RGB | rgb(49, 21, 6) |
| HSL | hsl(21, 78%, 11%) |
| OKLCH | oklch(23.4% 0.052 47.4) |
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 #311506 | 16.92:1 | AAA | Lc -106.0 | Preferred for body text |
| Black text on #311506 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #311506 text on white | 16.92:1 | AAA | Lc 103.6 | Preferred for body text |
| #311506 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F5E7E0
oklch(93.7% 0.018 48.5)
-
Step 200
200
#EDD3C6
oklch(88.5% 0.034 48.3)
-
Step 300
300
#E3B59F
oklch(80.9% 0.062 46.9)
-
Step 400
400
#D38D6A
oklch(70.6% 0.098 47.2)
-
Step 500
500
#C66F41
oklch(63.1% 0.126 47.2)
-
Step 600
600
#B1551E
oklch(55.5% 0.136 47.3)
-
Step 700
700
#98450F
oklch(49.1% 0.127 47.5)
-
Step 800
800
#7C3911
oklch(42.7% 0.106 47.1)
-
Step 900
900
#643217
oklch(37.7% 0.082 47)
-
Step 950
950 (this color)
#311506
oklch(23.4% 0.052 47.4)
#311506 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) | #1D1905 | 0.046 |
| Deuteranopia (no green cones) | #241F06 | 0.041 |
| Tritanopia (no blue cones) | #370F12 | 0.031 |
| Achromatopsia (no color) | #1D1D1D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311506
#311506
oklch(23.4% 0.052 47.4)
- #00222E
#00222E
oklch(23.5% 0.045 225.9)
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 #311506, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.025
- Chocolate Brown #411900 ΔE 0.041
- Deep Brown #410200 ΔE 0.048
- Dark Maroon #3C0008 ΔE 0.051
- Mahogany #4A0100 ΔE 0.062
- Jet #212529 ΔE 0.067
- Dark #1B2431 ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.084
Use #311506 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.