#56370B
Closest named color: Mud Brown (#60460F). oklch(36.5% 0.071 70.4), rgb(86, 55, 11).
Aa
White text reads best on this color (10.78:1).
About this color
#56370B is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.071 and its hue 70°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.049 away. White text reads best on it, at 10.78:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #56370B |
| RGB | rgb(86, 55, 11) |
| HSL | hsl(35, 77%, 19%) |
| OKLCH | oklch(36.5% 0.071 70.4) |
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 #56370B | 10.78:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #56370B | 1.94:1 | Fails | Lc 9.1 | Not readable |
| #56370B text on white | 10.78:1 | AAA | Lc 94.8 | Preferred for body text |
| #56370B text on black | 1.94:1 | Fails | Lc -7.8 | 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 900.
-
Step 50
50
#F9F5F0
oklch(97.2% 0.008 73.7)
-
Step 100
100
#F1E8DF
oklch(93.6% 0.016 67.6)
-
Step 200
200
#E6D6C4
oklch(88.4% 0.03 70.7)
-
Step 300
300
#D7BB9C
oklch(80.8% 0.053 69.8)
-
Step 400
400
#C39764
oklch(70.6% 0.086 69.8)
-
Step 500
500
#B37D36
oklch(63.1% 0.11 70.7)
-
Step 600
600
#9F6504
oklch(55.7% 0.119 70.2)
-
Step 700
700
#865400
oklch(49.1% 0.106 70.2)
-
Step 800
800
#6E4501
oklch(42.8% 0.092 71)
-
Step 900
900 (this color)
#56370B
oklch(36.5% 0.071 70.4)
-
Step 950
950
#34220B
oklch(26.9% 0.045 70.4)
#56370B 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) | #423904 | 0.041 |
| Deuteranopia (no green cones) | #49400C | 0.035 |
| Tritanopia (no blue cones) | #5F2F2F | 0.059 |
| Achromatopsia (no color) | #3D3D3D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #56370B
#56370B
oklch(36.5% 0.071 70.4)
- #1E4063
#1E4063
oklch(36.4% 0.073 251.1)
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 #56370B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.049
- Dark Olive #373E02 ΔE 0.062
- Chestnut #742802 ΔE 0.067
- Green Brown #544E03 ΔE 0.070
- Purple Brown #673A3F ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
- Pakistan Green #283618 ΔE 0.083
- Onyx #343A40 ΔE 0.087
Use #56370B 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.