#523D0F
Closest named color: Mud Brown (#60460F). oklch(37.4% 0.067 83), rgb(82, 61, 15).
Aa
White text reads best on this color (10.32:1).
About this color
#523D0F is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.067 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.040 away. White text reads best on it, at 10.32:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.03:1 |
| White text | 10.32:1 |
Values
| HEX | #523D0F |
| RGB | rgb(82, 61, 15) |
| HSL | hsl(41, 69%, 19%) |
| OKLCH | oklch(37.4% 0.067 83) |
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 #523D0F | 10.32:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #523D0F | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #523D0F text on white | 10.32:1 | AAA | Lc 93.9 | Preferred for body text |
| #523D0F text on black | 2.03:1 | Fails | Lc -8.7 | 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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E2D8C5
oklch(88.5% 0.028 83.5)
-
Step 300
300
#D1BE9C
oklch(80.9% 0.051 82.1)
-
Step 400
400
#B99C65
oklch(70.6% 0.08 82.7)
-
Step 500
500
#A88338
oklch(63.1% 0.103 82.5)
-
Step 600
600
#936C07
oklch(55.6% 0.112 83)
-
Step 700
700
#7C5A00
oklch(49% 0.101 82.9)
-
Step 800
800
#664A03
oklch(42.8% 0.087 83.1)
-
Step 900
900 (this color)
#523D0F
oklch(37.4% 0.067 83)
-
Step 950
950
#31240B
oklch(27% 0.043 81.4)
#523D0F 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) | #463D08 | 0.024 |
| Deuteranopia (no green cones) | #4B4211 | 0.019 |
| Tritanopia (no blue cones) | #5A3634 | 0.061 |
| Achromatopsia (no color) | #404040 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D0F
#523D0F
oklch(37.4% 0.067 83)
- #2E4064
#2E4064
oklch(37.4% 0.066 263.3)
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 #523D0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.040
- Dark Olive #373E02 ΔE 0.052
- Green Brown #544E03 ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.072
- Pakistan Green #283618 ΔE 0.079
- Chestnut #742802 ΔE 0.080
- Olive Brown #645403 ΔE 0.080
- Navy Green #35530A ΔE 0.081
Use #523D0F 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.