#523F0F
Closest named color: Mud Brown (#60460F). oklch(37.9% 0.068 86.2), rgb(82, 63, 15).
Aa
White text reads best on this color (10.11:1).
About this color
#523F0F is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.068 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.035 away. White text reads best on it, at 10.11:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #523F0F |
| RGB | rgb(82, 63, 15) |
| HSL | hsl(43, 69%, 19%) |
| OKLCH | oklch(37.9% 0.068 86.2) |
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 #523F0F | 10.11:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #523F0F | 2.07:1 | Fails | Lc 10.6 | Not readable |
| #523F0F text on white | 10.11:1 | AAA | Lc 93.4 | Preferred for body text |
| #523F0F text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EEE9DF
oklch(93.5% 0.014 84.6)
-
Step 200
200
#E1D8C4
oklch(88.4% 0.029 86.6)
-
Step 300
300
#CFBF9B
oklch(80.9% 0.052 86.9)
-
Step 400
400
#B79D64
oklch(70.6% 0.081 85.9)
-
Step 500
500
#A58535
oklch(63.1% 0.105 86.9)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900 (this color)
#523F0F
oklch(37.9% 0.068 86.2)
-
Step 950
950
#30250B
oklch(27.1% 0.043 86.1)
#523F0F 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) | #483F08 | 0.020 |
| Deuteranopia (no green cones) | #4C4411 | 0.018 |
| Tritanopia (no blue cones) | #5A3935 | 0.060 |
| Achromatopsia (no color) | #424242 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523F0F
#523F0F
oklch(37.9% 0.068 86.2)
- #314166
#314166
oklch(37.9% 0.067 265.6)
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 #523F0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.035
- Green Brown #544E03 ΔE 0.049
- Dark Olive #373E02 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.073
- Olive Brown #645403 ΔE 0.075
- Navy Green #35530A ΔE 0.076
- Pakistan Green #283618 ΔE 0.082
- Chestnut #742802 ΔE 0.083
Use #523F0F 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.