#524739
Closest named color: Charcoal Grey (#3C4142). oklch(40.5% 0.027 73.6), rgb(82, 71, 57).
Aa
White text reads best on this color (9.05:1).
About this color
#524739 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.047 away. White text reads best on it, at 9.05:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #524739 |
| RGB | rgb(82, 71, 57) |
| HSL | hsl(34, 18%, 27%) |
| OKLCH | oklch(40.5% 0.027 73.6) |
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 #524739 | 9.05:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #524739 | 2.31:1 | Fails | Lc 13.1 | Not readable |
| #524739 text on white | 9.05:1 | AAA | Lc 90.8 | Preferred for body text |
| #524739 text on black | 2.31:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DDD8D3
oklch(88.5% 0.009 67.7)
-
Step 300
300
#C7BFB6
oklch(80.9% 0.015 70.9)
-
Step 400
400
#AA9F90
oklch(70.8% 0.025 75.8)
-
Step 500
500
#968774
oklch(63.2% 0.033 73.7)
-
Step 600
600
#80715D
oklch(55.7% 0.035 74.9)
-
Step 700
700
#6C5E4C
oklch(49% 0.033 73.9)
-
Step 800
800 (this color)
#524739
oklch(40.5% 0.027 73.6)
-
Step 900
900
#484035
oklch(37.6% 0.021 75.8)
-
Step 950
950
#2A261F
oklch(27.1% 0.014 81.7)
#524739 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) | #4B4738 | 0.012 |
| Deuteranopia (no green cones) | #4E4A39 | 0.011 |
| Tritanopia (no blue cones) | #564443 | 0.023 |
| Achromatopsia (no color) | #494949 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524739
#524739
oklch(40.5% 0.027 73.6)
- #3F4A58
#3F4A58
oklch(40.5% 0.028 254.6)
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 #524739, 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 0.051
- Purple Brown #673A3F ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.057
- Green Brown #544E03 ΔE 0.066
- Onyx #343A40 ΔE 0.072
- Charcoal #264653 ΔE 0.075
- Brownish Purple #76424E ΔE 0.079
Use #524739 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.