#523A2D
Closest named color: Charcoal Grey (#3C4142). oklch(37.2% 0.04 49.5), rgb(82, 58, 45).
Aa
White text reads best on this color (10.49:1).
About this color
#523A2D is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.040 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.047 away. White text reads best on it, at 10.49:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.49:1 |
Values
| HEX | #523A2D |
| RGB | rgb(82, 58, 45) |
| HSL | hsl(21, 29%, 25%) |
| OKLCH | oklch(37.2% 0.04 49.5) |
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 #523A2D | 10.49:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #523A2D | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #523A2D text on white | 10.49:1 | AAA | Lc 94.3 | Preferred for body text |
| #523A2D text on black | 2.00:1 | Fails | Lc -8.3 | 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
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E3D6D0
oklch(88.5% 0.017 46.6)
-
Step 300
300
#D2BBB0
oklch(80.9% 0.031 47.2)
-
Step 400
400
#BA9886
oklch(70.6% 0.048 49.4)
-
Step 500
500
#A97F68
oklch(63.2% 0.062 49.9)
-
Step 600
600
#946850
oklch(55.7% 0.067 49.5)
-
Step 700
700
#7E5640
oklch(49.1% 0.063 49.6)
-
Step 800
800
#664735
oklch(42.7% 0.051 51.1)
-
Step 900
900 (this color)
#523A2D
oklch(37.2% 0.04 49.5)
-
Step 950
950
#31231B
oklch(27% 0.026 51)
#523A2D 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) | #403C2C | 0.034 |
| Deuteranopia (no green cones) | #46412D | 0.030 |
| Tritanopia (no blue cones) | #583637 | 0.026 |
| Achromatopsia (no color) | #3F3F3F | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523A2D
#523A2D
oklch(37.2% 0.04 49.5)
- #294451
#294451
oklch(37.1% 0.04 230)
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 #523A2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.047
- Purple Brown #673A3F ΔE 0.052
- Onyx #343A40 ΔE 0.059
- Mud Brown #60460F ΔE 0.063
- Chestnut #742802 ΔE 0.077
- Dark Olive #373E02 ΔE 0.077
- Dark Slate Gray #2F4F4F ΔE 0.081
- Charcoal #264653 ΔE 0.084
Use #523A2D 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.