#523F1F
Closest named color: Mud Brown (#60460F). oklch(38.1% 0.054 79), rgb(82, 63, 31).
Aa
White text reads best on this color (10.04:1).
About this color
#523F1F is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.054 and its hue 79°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.039 away. White text reads best on it, at 10.04:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.08:1 |
| White text | 10.04:1 |
Values
| HEX | #523F1F |
| RGB | rgb(82, 63, 31) |
| HSL | hsl(38, 45%, 22%) |
| OKLCH | oklch(38.1% 0.054 79) |
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 #523F1F | 10.04:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #523F1F | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #523F1F text on white | 10.04:1 | AAA | Lc 93.3 | Preferred for body text |
| #523F1F 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
#EEE9E1
oklch(93.6% 0.012 79.8)
-
Step 200
200
#E1D8C9
oklch(88.5% 0.023 80.7)
-
Step 300
300
#CFBEA4
oklch(80.9% 0.04 78.5)
-
Step 400
400
#B79C72
oklch(70.7% 0.065 78.4)
-
Step 500
500
#A5844D
oklch(63.2% 0.083 79.1)
-
Step 600
600
#906D2F
oklch(55.7% 0.091 79.2)
-
Step 700
700
#7A5A22
oklch(49% 0.083 78.4)
-
Step 800
800
#634A1E
oklch(42.6% 0.069 79.1)
-
Step 900
900 (this color)
#523F1F
oklch(38.1% 0.054 79)
-
Step 950
950
#2F2412
oklch(26.8% 0.034 78.8)
#523F1F 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) | #473F1C | 0.021 |
| Deuteranopia (no green cones) | #4B4420 | 0.019 |
| Tritanopia (no blue cones) | #593A38 | 0.047 |
| Achromatopsia (no color) | #424242 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523F1F
#523F1F
oklch(38.1% 0.054 79)
- #31435F
#31435F
oklch(38% 0.053 259)
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 #523F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.039
- Green Brown #544E03 ΔE 0.057
- Dark Olive #373E02 ΔE 0.060
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.069
- Onyx #343A40 ΔE 0.076
- Chestnut #742802 ΔE 0.080
- Olive Brown #645403 ΔE 0.080
Use #523F1F 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.