#57474F
Closest named color: Purple Brown (#673A3F). oklch(41.7% 0.025 346.6), rgb(87, 71, 79).
Aa
White text reads best on this color (8.67:1).
About this color
#57474F is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 8.67:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.41:1 |
| White text | 8.67:1 |
Values
| HEX | #57474F |
| RGB | rgb(87, 71, 79) |
| HSL | hsl(330, 10%, 31%) |
| OKLCH | oklch(41.7% 0.025 346.6) |
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 #57474F | 8.67:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #57474F | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #57474F text on white | 8.67:1 | AAA | Lc 89.8 | Fine for body text |
| #57474F text on black | 2.41:1 | Fails | Lc -12.5 | 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
#F6F5F6
oklch(97.1% 0.002 325.6)
-
Step 100
100
#ECE9EA
oklch(93.7% 0.003 354.7)
-
Step 200
200
#DDD7DA
oklch(88.5% 0.008 345.4)
-
Step 300
300
#C8BDC2
oklch(80.9% 0.014 348)
-
Step 400
400
#AC9BA3
oklch(70.7% 0.023 347.5)
-
Step 500
500
#98828D
oklch(63% 0.031 346.4)
-
Step 600
600
#826C77
oklch(55.6% 0.032 346.6)
-
Step 700
700
#6E5A64
oklch(49.1% 0.03 346.7)
-
Step 800
800 (this color)
#57474F
oklch(41.7% 0.025 346.6)
-
Step 900
900
#4A3E44
oklch(37.9% 0.019 346.4)
-
Step 950
950
#2B2428
oklch(27% 0.013 342.7)
#57474F 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) | #484A4F | 0.026 |
| Deuteranopia (no green cones) | #4C4C4F | 0.023 |
| Tritanopia (no blue cones) | #59474A | 0.009 |
| Achromatopsia (no color) | #4B4B4B | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57474F
#57474F
oklch(41.7% 0.025 346.6)
- #405149
#405149
oklch(41.8% 0.025 165)
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 #57474F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.055
- Brownish Purple #76424E ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.062
- Dusty Grape #545775 ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.072
- Charcoal #264653 ΔE 0.074
- YInMn Blue #415A77 ΔE 0.076
Use #57474F 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.