#515648
Closest named color: Dark Slate Gray (#2F4F4F). oklch(44.4% 0.023 123.3), rgb(81, 86, 72).
Aa
White text reads best on this color (7.56:1).
About this color
#515648 is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.056 away. White text reads best on it, at 7.56:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #515648 |
| RGB | rgb(81, 86, 72) |
| HSL | hsl(81, 9%, 31%) |
| OKLCH | oklch(44.4% 0.023 123.3) |
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 #515648 | 7.56:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #515648 | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #515648 text on white | 7.56:1 | AAA | Lc 86.3 | Fine for body text |
| #515648 text on black | 2.77:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E9EAE7
oklch(93.5% 0.004 121.6)
-
Step 200
200
#D8DAD5
oklch(88.5% 0.007 124.5)
-
Step 300
300
#BFC2B9
oklch(80.9% 0.013 121.7)
-
Step 400
400
#9EA394
oklch(70.7% 0.022 122)
-
Step 500
500
#868D7A
oklch(63.2% 0.029 123.7)
-
Step 600
600
#707663
oklch(55.5% 0.029 121.6)
-
Step 700
700
#5D6452
oklch(49.2% 0.029 124.8)
-
Step 800
800 (this color)
#515648
oklch(44.4% 0.023 123.3)
-
Step 900
900
#404339
oklch(37.7% 0.017 120.8)
-
Step 950
950
#252721
oklch(26.9% 0.011 122.2)
#515648 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) | #585447 | 0.012 |
| Deuteranopia (no green cones) | #575449 | 0.011 |
| Tritanopia (no blue cones) | #525452 | 0.019 |
| Achromatopsia (no color) | #545454 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515648
#515648
oklch(44.4% 0.023 123.3)
- #56515E
#56515E
oklch(44.4% 0.022 303)
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 #515648, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.061
- Pine #2B5D34 ΔE 0.067
- Slate #516572 ΔE 0.069
- Mud Brown #60460F ΔE 0.070
- Green Brown #544E03 ΔE 0.071
- Olive Brown #645403 ΔE 0.071
- Army Green #4B5D16 ΔE 0.074
Use #515648 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.