#515D84
Closest named color: Dusty Grape (#545775). oklch(48.5% 0.065 270.7), rgb(81, 93, 132).
Aa
White text reads best on this color (6.46:1).
About this color
#515D84 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.065 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.026 away. White text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.24:1 |
| White text | 6.46:1 |
Values
| HEX | #515D84 |
| RGB | rgb(81, 93, 132) |
| HSL | hsl(226, 24%, 42%) |
| OKLCH | oklch(48.5% 0.065 270.7) |
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 #515D84 | 6.46:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #515D84 | 3.24:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #515D84 text on white | 6.46:1 | AA | Lc 82.0 | Fine for body text |
| #515D84 text on black | 3.24:1 | AA large text | Lc -19.8 | 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 700.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300
#B9C0D6
oklch(80.9% 0.032 271.6)
-
Step 400
400
#95A0C1
oklch(70.8% 0.05 270.6)
-
Step 500
500
#7B88B1
oklch(63.2% 0.064 270.8)
-
Step 600
600
#64719D
oklch(55.6% 0.07 271.3)
-
Step 700
700 (this color)
#515D84
oklch(48.5% 0.065 270.7)
-
Step 800
800
#444D6D
oklch(42.6% 0.055 271.8)
-
Step 900
900
#394158
oklch(37.8% 0.041 269.5)
-
Step 950
950
#212634
oklch(27% 0.027 269.3)
#515D84 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) | #506186 | 0.011 |
| Deuteranopia (no green cones) | #4C5C83 | 0.008 |
| Tritanopia (no blue cones) | #41656B | 0.058 |
| Achromatopsia (no color) | #5E5E5E | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515D84
#515D84
oklch(48.5% 0.065 270.7)
- #6D5E32
#6D5E32
oklch(48.6% 0.065 91.1)
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 #515D84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.026
- Dusk #4E5481 ΔE 0.027
- Dusky Blue #475F94 ΔE 0.027
- Denim #3B638C ΔE 0.030
- YInMn Blue #415A77 ΔE 0.032
- Denim Blue #3B5B92 ΔE 0.037
- Twilight #4E518B ΔE 0.040
- Slate #516572 ΔE 0.044
Use #515D84 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.