#504E3F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.1% 0.024 101.1), rgb(80, 78, 63).
Aa
White text reads best on this color (8.39:1).
About this color
#504E3F is a dark close to neutral grey. In OKLCH its lightness is 42%, its chroma 0.024. 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 8.39:1.
| Hue family | Neutrals |
| Lightness | dark (42%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.50:1 |
| White text | 8.39:1 |
Values
| HEX | #504E3F |
| RGB | rgb(80, 78, 63) |
| HSL | hsl(53, 12%, 28%) |
| OKLCH | oklch(42.1% 0.024 101.1) |
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 #504E3F | 8.39:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #504E3F | 2.50:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #504E3F text on white | 8.39:1 | AAA | Lc 89.0 | Fine for body text |
| #504E3F text on black | 2.50:1 | Fails | Lc -13.3 | 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
#F6F5F4
oklch(97.1% 0.002 67.8)
-
Step 100
100
#EAEAE7
oklch(93.6% 0.004 106.5)
-
Step 200
200
#DAD9D4
oklch(88.5% 0.007 97.4)
-
Step 300
300
#C2C1B7
oklch(80.9% 0.014 102.1)
-
Step 400
400
#A3A191
oklch(70.6% 0.023 101.1)
-
Step 500
500
#8D8A77
oklch(63.1% 0.028 99.8)
-
Step 600
600
#77745F
oklch(55.6% 0.031 100.6)
-
Step 700
700
#64614F
oklch(49% 0.028 99.5)
-
Step 800
800 (this color)
#504E3F
oklch(42.1% 0.024 101.1)
-
Step 900
900
#444237
oklch(37.8% 0.018 98.7)
-
Step 950
950
#282720
oklch(27.1% 0.013 100.5)
#504E3F 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) | #514D3E | 0.003 |
| Deuteranopia (no green cones) | #524E3F | 0.003 |
| Tritanopia (no blue cones) | #534C4A | 0.022 |
| Achromatopsia (no color) | #4D4D4D | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504E3F
#504E3F
oklch(42.1% 0.024 101.1)
- #4B4C5B
#4B4C5B
oklch(42.1% 0.025 282.3)
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 #504E3F, 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
- Mud Brown #60460F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Green Brown #544E03 ΔE 0.063
- Purple Brown #673A3F ΔE 0.069
- Olive Brown #645403 ΔE 0.072
- Pine #2B5D34 ΔE 0.073
- Dark Blue Green #005249 ΔE 0.076
Use #504E3F 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.