#523C2B
Closest named color: Charcoal Grey (#3C4142). oklch(37.6% 0.041 58.8), rgb(82, 60, 43).
Aa
White text reads best on this color (10.29:1).
About this color
#523C2B is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.041 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.048 away. White text reads best on it, at 10.29:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.03:1 |
| White text | 10.29:1 |
Values
| HEX | #523C2B |
| RGB | rgb(82, 60, 43) |
| HSL | hsl(26, 31%, 25%) |
| OKLCH | oklch(37.6% 0.041 58.8) |
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 #523C2B | 10.29:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #523C2B | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #523C2B text on white | 10.29:1 | AAA | Lc 93.8 | Preferred for body text |
| #523C2B 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E2D7CE
oklch(88.5% 0.017 61.9)
-
Step 300
300
#D1BCAD
oklch(80.9% 0.032 57.8)
-
Step 400
400
#B99A82
oklch(70.8% 0.05 59.6)
-
Step 500
500
#A78063
oklch(63% 0.064 57.9)
-
Step 600
600
#92694A
oklch(55.5% 0.069 57.8)
-
Step 700
700
#7C583B
oklch(49.2% 0.064 59.4)
-
Step 800
800
#654831
oklch(42.7% 0.053 59.1)
-
Step 900
900 (this color)
#523C2B
oklch(37.6% 0.041 58.8)
-
Step 950
950
#30231A
oklch(26.9% 0.026 56.1)
#523C2B 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) | #433E2A | 0.028 |
| Deuteranopia (no green cones) | #48422B | 0.025 |
| Tritanopia (no blue cones) | #583838 | 0.030 |
| Achromatopsia (no color) | #404040 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523C2B
#523C2B
oklch(37.6% 0.041 58.8)
- #2C4555
#2C4555
oklch(37.7% 0.041 237.4)
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 #523C2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.048
- Purple Brown #673A3F ΔE 0.054
- Mud Brown #60460F ΔE 0.056
- Onyx #343A40 ΔE 0.063
- Dark Olive #373E02 ΔE 0.073
- Green Brown #544E03 ΔE 0.077
- Chestnut #742802 ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.078
Use #523C2B 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.