#515D53
Closest named color: Slate (#516572). oklch(46.5% 0.022 150.2), rgb(81, 93, 83).
Aa
White text reads best on this color (6.90:1).
About this color
#515D53 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.048 away. White text reads best on it, at 6.90:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #515D53 |
| RGB | rgb(81, 93, 83) |
| HSL | hsl(130, 7%, 34%) |
| OKLCH | oklch(46.5% 0.022 150.2) |
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 #515D53 | 6.90:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #515D53 | 3.04:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #515D53 text on white | 6.90:1 | AA | Lc 83.9 | Fine for body text |
| #515D53 text on black | 3.04:1 | AA large text | Lc -18.1 | 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 700.
-
Step 50
50
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE9
oklch(93.5% 0.003 165.1)
-
Step 200
200
#D6DAD7
oklch(88.4% 0.006 153.8)
-
Step 300
300
#BCC3BD
oklch(81% 0.011 149.8)
-
Step 400
400
#99A49B
oklch(70.7% 0.018 151)
-
Step 500
500
#818D83
oklch(63.1% 0.02 150.4)
-
Step 600
600
#6A776C
oklch(55.5% 0.023 149.8)
-
Step 700
700 (this color)
#515D53
oklch(46.5% 0.022 150.2)
-
Step 800
800
#48524A
oklch(42.7% 0.018 151.3)
-
Step 900
900
#3C443E
oklch(37.7% 0.015 153.2)
-
Step 950
950
#232824
oklch(27% 0.01 151.4)
#515D53 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) | #5D5B52 | 0.018 |
| Deuteranopia (no green cones) | #5B5953 | 0.019 |
| Tritanopia (no blue cones) | #505C5A | 0.013 |
| Achromatopsia (no color) | #5A5A5A | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515D53
#515D53
oklch(46.5% 0.022 150.2)
- #61555F
#61555F
oklch(46.5% 0.022 331.4)
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 #515D53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.053
- Dim Gray #696969 ΔE 0.060
- Dusty Grape #545775 ΔE 0.065
- YInMn Blue #415A77 ΔE 0.065
- Dark Aqua #05696B ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.068
- Petrol #005F6A ΔE 0.071
Use #515D53 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.