#524E45
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.5% 0.015 86.9), rgb(82, 78, 69).
Aa
White text reads best on this color (8.28:1).
About this color
#524E45 is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.050 away. White text reads best on it, at 8.28:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #524E45 |
| RGB | rgb(82, 78, 69) |
| HSL | hsl(42, 9%, 30%) |
| OKLCH | oklch(42.5% 0.015 86.9) |
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 #524E45 | 8.28:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #524E45 | 2.53:1 | Fails | Lc 15.4 | Dividers and decoration only |
| #524E45 text on white | 8.28:1 | AAA | Lc 88.6 | Fine for body text |
| #524E45 text on black | 2.53:1 | Fails | Lc -13.6 | 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
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D5
oklch(88.5% 0.006 95.1)
-
Step 300
300
#C3C0BA
oklch(80.8% 0.009 84.6)
-
Step 400
400
#A4A097
oklch(70.6% 0.014 86.9)
-
Step 500
500
#8E897D
oklch(63.1% 0.019 88)
-
Step 600
600
#787366
oklch(55.6% 0.02 89.4)
-
Step 700
700
#656055
oklch(49% 0.018 86.5)
-
Step 800
800 (this color)
#524E45
oklch(42.5% 0.015 86.9)
-
Step 900
900
#44413A
oklch(37.6% 0.012 87.5)
-
Step 950
950
#282622
oklch(26.9% 0.008 84.6)
#524E45 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) | #504E44 | 0.004 |
| Deuteranopia (no green cones) | #514F45 | 0.003 |
| Tritanopia (no blue cones) | #544C4B | 0.014 |
| Achromatopsia (no color) | #4E4E4E | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524E45
#524E45
oklch(42.5% 0.015 86.9)
- #4A4E57
#4A4E57
oklch(42.4% 0.016 266.5)
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 #524E45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.058
- Mud Brown #60460F ΔE 0.063
- Purple Brown #673A3F ΔE 0.064
- Green Brown #544E03 ΔE 0.073
- Charcoal #264653 ΔE 0.075
- Brownish Purple #76424E ΔE 0.075
- Dusty Grape #545775 ΔE 0.076
Use #524E45 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.