#523F2C
Closest named color: Charcoal Grey (#3C4142). oklch(38.3% 0.04 66.1), rgb(82, 63, 44).
Aa
White text reads best on this color (9.97:1).
About this color
#523F2C is a dark, muted brown. In OKLCH its lightness is 38%, its chroma 0.040 and its hue 66°. 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 9.97:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #523F2C |
| RGB | rgb(82, 63, 44) |
| HSL | hsl(30, 30%, 25%) |
| OKLCH | oklch(38.3% 0.04 66.1) |
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 #523F2C | 9.97:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #523F2C | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #523F2C text on white | 9.97:1 | AAA | Lc 93.1 | Preferred for body text |
| #523F2C text on black | 2.10:1 | Fails | Lc -9.4 | 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
#EEE9E4
oklch(93.7% 0.009 67.7)
-
Step 200
200
#E1D7CE
oklch(88.5% 0.016 64.6)
-
Step 300
300
#CEBDAD
oklch(80.8% 0.029 65.7)
-
Step 400
400
#B69B81
oklch(70.7% 0.049 65.8)
-
Step 500
500
#A38262
oklch(63% 0.061 65.5)
-
Step 600
600
#8E6C48
oklch(55.7% 0.067 67.3)
-
Step 700
700
#795A3A
oklch(49.2% 0.062 66.4)
-
Step 800
800
#624930
oklch(42.6% 0.051 65.7)
-
Step 900
900 (this color)
#523F2C
oklch(38.3% 0.04 66.1)
-
Step 950
950
#2F2419
oklch(27% 0.025 66.4)
#523F2C 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) | #45402B | 0.024 |
| Deuteranopia (no green cones) | #4A442C | 0.020 |
| Tritanopia (no blue cones) | #583B3A | 0.031 |
| Achromatopsia (no color) | #434343 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523F2C
#523F2C
oklch(38.3% 0.04 66.1)
- #314558
#314558
oklch(38.2% 0.041 247.7)
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 #523F2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.047
- Mud Brown #60460F ΔE 0.049
- Purple Brown #673A3F ΔE 0.056
- Onyx #343A40 ΔE 0.065
- Green Brown #544E03 ΔE 0.069
- Dark Olive #373E02 ΔE 0.072
- Dark Slate Gray #2F4F4F ΔE 0.073
- Chestnut #742802 ΔE 0.081
Use #523F2C 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.