#515573
Closest named color: Dusty Grape (#545775). oklch(45.8% 0.049 278.4), rgb(81, 85, 115).
Aa
White text reads best on this color (7.24:1).
About this color
#515573 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.049 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.008 away. White text reads best on it, at 7.24:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.89:1 |
| White text | 7.24:1 |
Values
| HEX | #515573 |
| RGB | rgb(81, 85, 115) |
| HSL | hsl(233, 17%, 38%) |
| OKLCH | oklch(45.8% 0.049 278.4) |
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 #515573 | 7.24:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #515573 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #515573 text on white | 7.24:1 | AAA | Lc 85.2 | Fine for body text |
| #515573 text on black | 2.89:1 | Fails | Lc -16.8 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD3
oklch(80.9% 0.028 279)
-
Step 400
400
#9A9EBE
oklch(70.7% 0.047 279.5)
-
Step 500
500
#8186AD
oklch(63% 0.059 278.9)
-
Step 600
600
#6A7099
oklch(55.6% 0.064 277.7)
-
Step 700
700
#595D82
oklch(49% 0.059 279.2)
-
Step 800
800 (this color)
#515573
oklch(45.8% 0.049 278.4)
-
Step 900
900
#3D4056
oklch(37.8% 0.038 278.4)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#515573 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) | #4C5874 | 0.011 |
| Deuteranopia (no green cones) | #4A5672 | 0.011 |
| Tritanopia (no blue cones) | #485A5F | 0.043 |
| Achromatopsia (no color) | #575757 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515573
#515573
oklch(45.8% 0.049 278.4)
- #5E5838
#5E5838
oklch(45.8% 0.048 98.9)
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 #515573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.008
- Dusk #4E5481 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.025
- Twilight #4E518B ΔE 0.045
- Slate #516572 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.051
- Denim #3B638C ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.055
Use #515573 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.