#56571B
Closest named color: Olive Brown (#645403). oklch(44.3% 0.081 110.2), rgb(86, 87, 27).
Aa
White text reads best on this color (7.56:1).
About this color
#56571B is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.081 and its hue 110°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.024 away. White text reads best on it, at 7.56:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #56571B |
| RGB | rgb(86, 87, 27) |
| HSL | hsl(61, 53%, 22%) |
| OKLCH | oklch(44.3% 0.081 110.2) |
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 #56571B | 7.56:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #56571B | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #56571B text on white | 7.56:1 | AAA | Lc 86.2 | Fine for body text |
| #56571B text on black | 2.77:1 | Fails | Lc -15.8 | Dividers and decoration only |
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 800.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#DADBC7
oklch(88.5% 0.027 109.3)
-
Step 300
300
#C2C4A1
oklch(81% 0.047 110.1)
-
Step 400
400
#A3A56E
oklch(70.7% 0.075 109.9)
-
Step 500
500
#8D8F45
oklch(63.2% 0.097 110.3)
-
Step 600
600
#777824
oklch(55.5% 0.105 110)
-
Step 700
700
#646516
oklch(49.1% 0.097 110.2)
-
Step 800
800 (this color)
#56571B
oklch(44.3% 0.081 110.2)
-
Step 900
900
#434419
oklch(37.5% 0.063 110.3)
-
Step 950
950
#272810
oklch(26.9% 0.04 110.9)
#56571B 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) | #5E5313 | 0.016 |
| Deuteranopia (no green cones) | #5F551F | 0.017 |
| Tritanopia (no blue cones) | #5C514B | 0.073 |
| Achromatopsia (no color) | #545454 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56571B
#56571B
oklch(44.3% 0.081 110.2)
- #534B7D
#534B7D
oklch(44.3% 0.081 290)
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 #56571B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.024
- Army Green #4B5D16 ΔE 0.026
- Green Brown #544E03 ΔE 0.028
- Camouflage Green #4B6113 ΔE 0.036
- Camo Green #526525 ΔE 0.041
- Greeny Brown #696006 ΔE 0.045
- Mud Brown #60460F ΔE 0.050
- Mud #735C12 ΔE 0.053
Use #56571B 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.