#311104
Closest named color: Dark Brown (#341C02). oklch(22.6% 0.057 42.8), rgb(49, 17, 4).
Aa
White text reads best on this color (17.31:1).
About this color
#311104 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.057 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.035 away. White text reads best on it, at 17.31:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.057) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.21:1 |
| White text | 17.31:1 |
Values
| HEX | #311104 |
| RGB | rgb(49, 17, 4) |
| HSL | hsl(17, 85%, 10%) |
| OKLCH | oklch(22.6% 0.057 42.8) |
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 #311104 | 17.31:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #311104 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #311104 text on white | 17.31:1 | AAA | Lc 103.9 | Preferred for body text |
| #311104 text on black | 1.21:1 | 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
#F6E6E0
oklch(93.6% 0.019 41.8)
-
Step 200
200
#F0D2C6
oklch(88.6% 0.038 43.1)
-
Step 300
300
#E7B39E
oklch(80.9% 0.068 43)
-
Step 400
400
#D98969
oklch(70.6% 0.108 42.5)
-
Step 500
500
#CD6A3F
oklch(63.2% 0.138 43.1)
-
Step 600
600
#B84E1B
oklch(55.5% 0.15 42.7)
-
Step 700
700
#9F3E0B
oklch(49.1% 0.141 42.5)
-
Step 800
800
#81340F
oklch(42.7% 0.116 42.6)
-
Step 900
900
#682F15
oklch(37.8% 0.09 43.3)
-
Step 950
950 (this color)
#311104
oklch(22.6% 0.057 42.8)
#311104 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) | #1A1603 | 0.054 |
| Deuteranopia (no green cones) | #221D03 | 0.049 |
| Tritanopia (no blue cones) | #370A0E | 0.029 |
| Achromatopsia (no color) | #1A1A1A | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #311104
#311104
oklch(22.6% 0.057 42.8)
- #00202A
#00202A
oklch(22.6% 0.042 222.5)
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 #311104, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.035
- Deep Brown #410200 ΔE 0.042
- Dark Maroon #3C0008 ΔE 0.043
- Chocolate Brown #411900 ΔE 0.047
- Mahogany #4A0100 ΔE 0.060
- Very Dark Brown #1D0200 ΔE 0.075
- Jet #212529 ΔE 0.075
- Dark #1B2431 ΔE 0.088
Use #311104 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.