#523D2F
Closest named color: Charcoal Grey (#3C4142). oklch(37.9% 0.037 55), rgb(82, 61, 47).
Aa
White text reads best on this color (10.15:1).
About this color
#523D2F is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.037 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.045 away. White text reads best on it, at 10.15:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.06:1 |
| White text | 10.15:1 |
Values
| HEX | #523D2F |
| RGB | rgb(82, 61, 47) |
| HSL | hsl(24, 27%, 25%) |
| OKLCH | oklch(37.9% 0.037 55) |
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 #523D2F | 10.15:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #523D2F | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #523D2F text on white | 10.15:1 | AAA | Lc 93.5 | Preferred for body text |
| #523D2F text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EEE8E5
oklch(93.5% 0.008 48.7)
-
Step 200
200
#E2D7D0
oklch(88.6% 0.015 54.9)
-
Step 300
300
#D0BCB0
oklch(80.9% 0.028 53.1)
-
Step 400
400
#B79A86
oklch(70.7% 0.045 56.5)
-
Step 500
500
#A58168
oklch(63.1% 0.057 56.2)
-
Step 600
600
#906A50
oklch(55.6% 0.062 55.4)
-
Step 700
700
#7B5841
oklch(49.2% 0.058 54.2)
-
Step 800
800
#644835
oklch(42.7% 0.049 55.2)
-
Step 900
900 (this color)
#523D2F
oklch(37.9% 0.037 55)
-
Step 950
950
#30231B
oklch(26.9% 0.025 53)
#523D2F 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) | #433F2E | 0.028 |
| Deuteranopia (no green cones) | #48432F | 0.025 |
| Tritanopia (no blue cones) | #583939 | 0.026 |
| Achromatopsia (no color) | #414141 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D2F
#523D2F
oklch(37.9% 0.037 55)
- #2E4653
#2E4653
oklch(38% 0.037 232.7)
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 #523D2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.045
- Purple Brown #673A3F ΔE 0.051
- Mud Brown #60460F ΔE 0.057
- Onyx #343A40 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.075
- Dark Olive #373E02 ΔE 0.076
- Green Brown #544E03 ΔE 0.078
- Chestnut #742802 ΔE 0.080
Use #523D2F 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.