#515A63
Closest named color: Dusty Grape (#545775). oklch(46.3% 0.019 248.2), rgb(81, 90, 99).
Aa
White text reads best on this color (7.01:1).
About this color
#515A63 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 7.01:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #515A63 |
| RGB | rgb(81, 90, 99) |
| HSL | hsl(210, 10%, 35%) |
| OKLCH | oklch(46.3% 0.019 248.2) |
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 #515A63 | 7.01:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #515A63 | 2.99:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #515A63 text on white | 7.01:1 | AAA | Lc 84.3 | Fine for body text |
| #515A63 text on black | 2.99:1 | Fails | Lc -17.7 | 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 700.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E8EAEB
oklch(93.6% 0.003 228.8)
-
Step 200
200
#D7D9DC
oklch(88.5% 0.005 258.3)
-
Step 300
300
#BCC1C6
oklch(80.8% 0.009 247.9)
-
Step 400
400
#9AA2A9
oklch(70.8% 0.014 244.3)
-
Step 500
500
#818B94
oklch(63.2% 0.018 245.2)
-
Step 600
600
#6A757F
oklch(55.7% 0.02 245.6)
-
Step 700
700 (this color)
#515A63
oklch(46.3% 0.019 248.2)
-
Step 800
800
#495057
oklch(42.8% 0.015 248.2)
-
Step 900
900
#3D4248
oklch(37.7% 0.012 253)
-
Step 950
950
#24272A
oklch(27.1% 0.007 248.1)
#515A63 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) | #575A63 | 0.009 |
| Deuteranopia (no green cones) | #555863 | 0.008 |
| Tritanopia (no blue cones) | #4C5C5D | 0.015 |
| Achromatopsia (no color) | #595959 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515A63
#515A63
oklch(46.3% 0.019 248.2)
- #60574E
#60574E
oklch(46.3% 0.018 67.3)
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 #515A63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- Slate #516572 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.038
- Dusk #4E5481 ΔE 0.058
- Dim Gray #696969 ΔE 0.061
- Petrol #005F6A ΔE 0.066
- Dark Green Blue #1F6357 ΔE 0.067
- Denim #3B638C ΔE 0.067
Use #515A63 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.