#524757
Closest named color: Charcoal Grey (#3C4142). oklch(41.5% 0.03 315.3), rgb(82, 71, 87).
Aa
White text reads best on this color (8.75:1).
About this color
#524757 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.054 away. White text reads best on it, at 8.75:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #524757 |
| RGB | rgb(82, 71, 87) |
| HSL | hsl(281, 10%, 31%) |
| OKLCH | oklch(41.5% 0.03 315.3) |
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 #524757 | 8.75:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #524757 | 2.39:1 | Fails | Lc 14.0 | Not readable |
| #524757 text on white | 8.75:1 | AAA | Lc 90.0 | Preferred for body text |
| #524757 text on black | 2.39:1 | Fails | Lc -12.3 | 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 800.
-
Step 50
50
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#EBE9EC
oklch(93.6% 0.005 314.8)
-
Step 200
200
#DBD7DD
oklch(88.4% 0.009 314.8)
-
Step 300
300
#C5BDC8
oklch(80.8% 0.018 316.9)
-
Step 400
400
#A79CAD
oklch(70.8% 0.027 313.9)
-
Step 500
500
#928399
oklch(63.1% 0.037 315.1)
-
Step 600
600
#7C6D83
oklch(55.6% 0.038 315.1)
-
Step 700
700
#695B6F
oklch(49.2% 0.036 315.8)
-
Step 800
800 (this color)
#524757
oklch(41.5% 0.03 315.3)
-
Step 900
900
#463E4A
oklch(37.7% 0.023 314.5)
-
Step 950
950
#29242B
oklch(26.9% 0.015 316.4)
#524757 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) | #454A58 | 0.022 |
| Deuteranopia (no green cones) | #474B56 | 0.021 |
| Tritanopia (no blue cones) | #52494C | 0.022 |
| Achromatopsia (no color) | #4B4B4B | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #524757
#524757
oklch(41.5% 0.03 315.3)
- #45503F
#45503F
oklch(41.6% 0.031 134.6)
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 #524757, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.054
- Purple Brown #673A3F ΔE 0.055
- Dusty Grape #545775 ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.061
- Charcoal #264653 ΔE 0.066
- Brownish Purple #76424E ΔE 0.066
- YInMn Blue #415A77 ΔE 0.067
Use #524757 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.