#515663
Closest named color: Dusty Grape (#545775). oklch(45.4% 0.022 268.8), rgb(81, 86, 99).
Aa
White text reads best on this color (7.33:1).
About this color
#515663 is a medium-dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.030 away. White text reads best on it, at 7.33:1.
| Hue family | Neutrals |
| Lightness | medium-dark (45%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.86:1 |
| White text | 7.33:1 |
Values
| HEX | #515663 |
| RGB | rgb(81, 86, 99) |
| HSL | hsl(223, 10%, 35%) |
| OKLCH | oklch(45.4% 0.022 268.8) |
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 #515663 | 7.33:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #515663 | 2.86:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #515663 text on white | 7.33:1 | AAA | Lc 85.5 | Fine for body text |
| #515663 text on black | 2.86:1 | Fails | Lc -16.5 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DE
oklch(88.5% 0.007 268.5)
-
Step 300
300
#BDC0C9
oklch(80.8% 0.013 271.3)
-
Step 400
400
#9BA0AE
oklch(70.6% 0.021 270.1)
-
Step 500
500
#83899A
oklch(63.1% 0.026 270.2)
-
Step 600
600
#6C7385
oklch(55.6% 0.029 268.6)
-
Step 700
700
#5A6070
oklch(49% 0.027 269.1)
-
Step 800
800 (this color)
#515663
oklch(45.4% 0.022 268.8)
-
Step 900
900
#3E414B
oklch(37.6% 0.018 272.3)
-
Step 950
950
#24262C
oklch(26.9% 0.012 271)
#515663 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) | #525764 | 0.004 |
| Deuteranopia (no green cones) | #515563 | 0.003 |
| Tritanopia (no blue cones) | #4D585A | 0.019 |
| Achromatopsia (no color) | #565656 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515663
#515663
oklch(45.4% 0.022 268.8)
- #5B5648
#5B5648
oklch(45.4% 0.023 90.7)
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 #515663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.030
- YInMn Blue #415A77 ΔE 0.036
- Slate #516572 ΔE 0.045
- Dusk #4E5481 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.063
- Petrol #005F6A ΔE 0.069
- Light Navy Blue #2E5A88 ΔE 0.069
- Denim #3B638C ΔE 0.069
Use #515663 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.