#515A64
Closest named color: Dusty Grape (#545775). oklch(46.3% 0.02 251), rgb(81, 90, 100).
Aa
White text reads best on this color (7.00:1).
About this color
#515A64 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 7.00:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #515A64 |
| RGB | rgb(81, 90, 100) |
| HSL | hsl(212, 10%, 35%) |
| OKLCH | oklch(46.3% 0.02 251) |
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 #515A64 | 7.00:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #515A64 | 2.99:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #515A64 text on white | 7.00:1 | AAA | Lc 84.3 | Fine for body text |
| #515A64 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D6D9DC
oklch(88.4% 0.005 247.9)
-
Step 300
300
#BCC1C7
oklch(80.9% 0.01 252.8)
-
Step 400
400
#9AA1AA
oklch(70.6% 0.015 254.6)
-
Step 500
500
#818B95
oklch(63.2% 0.019 248.1)
-
Step 600
600
#6A7480
oklch(55.5% 0.022 253)
-
Step 700
700 (this color)
#515A64
oklch(46.3% 0.02 251)
-
Step 800
800
#495058
oklch(42.8% 0.016 251.7)
-
Step 900
900
#3D4248
oklch(37.7% 0.012 253)
-
Step 950
950
#24272A
oklch(27.1% 0.007 248.1)
#515A64 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) | #565A65 | 0.008 |
| Deuteranopia (no green cones) | #545864 | 0.007 |
| Tritanopia (no blue cones) | #4C5C5D | 0.017 |
| Achromatopsia (no color) | #595959 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515A64
#515A64
oklch(46.3% 0.02 251)
- #60574D
#60574D
oklch(46.2% 0.02 70.2)
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 #515A64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- Slate #516572 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.037
- Dusk #4E5481 ΔE 0.057
- Dim Gray #696969 ΔE 0.061
- Denim #3B638C ΔE 0.066
- Petrol #005F6A ΔE 0.066
- Dark Green Blue #1F6357 ΔE 0.067
Use #515A64 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.