#523F17
Closest named color: Mud Brown (#60460F). oklch(37.9% 0.062 83.4), rgb(82, 63, 23).
Aa
White text reads best on this color (10.08:1).
About this color
#523F17 is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.062 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.036 away. White text reads best on it, at 10.08:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #523F17 |
| RGB | rgb(82, 63, 23) |
| HSL | hsl(41, 56%, 21%) |
| OKLCH | oklch(37.9% 0.062 83.4) |
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 #523F17 | 10.08:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #523F17 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #523F17 text on white | 10.08:1 | AAA | Lc 93.3 | Preferred for body text |
| #523F17 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E1D8C6
oklch(88.5% 0.026 84.6)
-
Step 300
300
#CFBF9F
oklch(81% 0.047 84.5)
-
Step 400
400
#B79D6A
oklch(70.7% 0.075 83.6)
-
Step 500
500
#A58441
oklch(63.1% 0.095 83.2)
-
Step 600
600
#906D1D
oklch(55.6% 0.103 83.4)
-
Step 700
700
#7B5B0E
oklch(49.2% 0.096 83.2)
-
Step 800
800
#644A11
oklch(42.6% 0.079 82.4)
-
Step 900
900 (this color)
#523F17
oklch(37.9% 0.062 83.4)
-
Step 950
950
#30250E
oklch(27.1% 0.04 84)
#523F17 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) | #473F13 | 0.022 |
| Deuteranopia (no green cones) | #4C4419 | 0.018 |
| Tritanopia (no blue cones) | #593936 | 0.054 |
| Achromatopsia (no color) | #424242 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523F17
#523F17
oklch(37.9% 0.062 83.4)
- #314263
#314263
oklch(38% 0.061 263)
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 #523F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.036
- Green Brown #544E03 ΔE 0.052
- Dark Olive #373E02 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.067
- Purple Brown #673A3F ΔE 0.077
- Olive Brown #645403 ΔE 0.077
- Navy Green #35530A ΔE 0.079
- Chestnut #742802 ΔE 0.081
Use #523F17 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.