#57474B
Closest named color: Purple Brown (#673A3F). oklch(41.6% 0.023 1.4), rgb(87, 71, 75).
Aa
White text reads best on this color (8.72:1).
About this color
#57474B is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 8.72:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #57474B |
| RGB | rgb(87, 71, 75) |
| HSL | hsl(345, 10%, 31%) |
| OKLCH | oklch(41.6% 0.023 1.4) |
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 #57474B | 8.72:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #57474B | 2.40:1 | Fails | Lc 14.1 | Not readable |
| #57474B text on white | 8.72:1 | AAA | Lc 89.9 | Fine for body text |
| #57474B text on black | 2.40:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#ECE9E9
oklch(93.6% 0.003 17.2)
-
Step 200
200
#DED7D9
oklch(88.5% 0.008 357.8)
-
Step 300
300
#C8BDC0
oklch(80.8% 0.013 358.9)
-
Step 400
400
#AD9BA0
oklch(70.7% 0.022 359)
-
Step 500
500
#988388
oklch(63.1% 0.027 1.8)
-
Step 600
600
#836C72
oklch(55.5% 0.03 0.7)
-
Step 700
700
#6F5A60
oklch(49% 0.029 359.2)
-
Step 800
800 (this color)
#57474B
oklch(41.6% 0.023 1.4)
-
Step 900
900
#4A3E41
oklch(37.7% 0.017 1.1)
-
Step 950
950
#2B2426
oklch(26.9% 0.011 358.7)
#57474B 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) | #49494B | 0.024 |
| Deuteranopia (no green cones) | #4C4C4B | 0.023 |
| Tritanopia (no blue cones) | #5A4648 | 0.007 |
| Achromatopsia (no color) | #4B4B4B | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57474B
#57474B
oklch(41.6% 0.023 1.4)
- #3F504D
#3F504D
oklch(41.6% 0.022 183.3)
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 #57474B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.053
- Brownish Purple #76424E ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.061
- Dusty Grape #545775 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.073
- Charcoal #264653 ΔE 0.074
- Mud Brown #60460F ΔE 0.077
Use #57474B 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.