#505348
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.6% 0.018 119.6), rgb(80, 83, 72).
Aa
White text reads best on this color (7.85:1).
About this color
#505348 is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.018. 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 7.85:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #505348 |
| RGB | rgb(80, 83, 72) |
| HSL | hsl(76, 7%, 30%) |
| OKLCH | oklch(43.6% 0.018 119.6) |
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 #505348 | 7.85:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #505348 | 2.67:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #505348 text on white | 7.85:1 | AAA | Lc 87.3 | Fine for body text |
| #505348 text on black | 2.67:1 | Fails | Lc -14.8 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D8DAD5
oklch(88.5% 0.007 124.5)
-
Step 300
300
#BFC2BA
oklch(80.9% 0.012 123.5)
-
Step 400
400
#9FA297
oklch(70.7% 0.016 119.2)
-
Step 500
500
#888C7D
oklch(63.2% 0.022 119.2)
-
Step 600
600
#717666
oklch(55.7% 0.025 121.3)
-
Step 700
700
#5F6355
oklch(49.2% 0.022 120.2)
-
Step 800
800 (this color)
#505348
oklch(43.6% 0.018 119.6)
-
Step 900
900
#40433A
oklch(37.7% 0.015 122.2)
-
Step 950
950
#262722
oklch(27% 0.009 116.2)
#505348 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) | #555247 | 0.008 |
| Deuteranopia (no green cones) | #545248 | 0.007 |
| Tritanopia (no blue cones) | #515250 | 0.015 |
| Achromatopsia (no color) | #525252 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505348
#505348
oklch(43.6% 0.018 119.6)
- #534F5A
#534F5A
oklch(43.5% 0.019 302.1)
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 #505348, 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
- Dark Green Blue #1F6357 ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Mud Brown #60460F ΔE 0.068
- Pine #2B5D34 ΔE 0.071
- Green Brown #544E03 ΔE 0.072
- Dusty Grape #545775 ΔE 0.073
- Slate #516572 ΔE 0.073
Use #505348 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.