#523018
Closest named color: Chestnut (#742802). oklch(34.6% 0.062 54.3), rgb(82, 48, 24).
Aa
White text reads best on this color (11.70:1).
About this color
#523018 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.062 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.070 away. White text reads best on it, at 11.70:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.79:1 |
| White text | 11.70:1 |
Values
| HEX | #523018 |
| RGB | rgb(82, 48, 24) |
| HSL | hsl(25, 55%, 21%) |
| OKLCH | oklch(34.6% 0.062 54.3) |
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 #523018 | 11.70:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #523018 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #523018 text on white | 11.70:1 | AAA | Lc 96.7 | Preferred for body text |
| #523018 text on black | 1.79:1 | Fails | Lc 0.0 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E7D5CA
oklch(88.5% 0.025 53.7)
-
Step 300
300
#D9B9A5
oklch(80.8% 0.046 53.9)
-
Step 400
400
#C59575
oklch(70.8% 0.073 54.9)
-
Step 500
500
#B67950
oklch(63% 0.095 54)
-
Step 600
600
#A16134
oklch(55.5% 0.103 53.9)
-
Step 700
700
#8A5026
oklch(49.1% 0.096 54.1)
-
Step 800
800
#704221
oklch(42.7% 0.079 54.4)
-
Step 900
900 (this color)
#523018
oklch(34.6% 0.062 54.3)
-
Step 950
950
#352113
oklch(26.9% 0.039 55.2)
#523018 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) | #3A3416 | 0.048 |
| Deuteranopia (no green cones) | #423B18 | 0.044 |
| Tritanopia (no blue cones) | #5A292A | 0.041 |
| Achromatopsia (no color) | #383838 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523018
#523018
oklch(34.6% 0.062 54.3)
- #113E55
#113E55
oklch(34.5% 0.062 235.3)
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 #523018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.070
- Charcoal Grey #3C4142 ΔE 0.072
- Dark Olive #373E02 ΔE 0.074
- Purple Brown #673A3F ΔE 0.074
- Onyx #343A40 ΔE 0.075
- Mud Brown #60460F ΔE 0.075
- Reddy Brown #6E1005 ΔE 0.076
- Chocolate Brown #411900 ΔE 0.077
Use #523018 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.