#575D80
Closest named color: Dusty Grape (#545775). oklch(48.7% 0.057 276.6), rgb(87, 93, 128).
Aa
White text reads best on this color (6.39:1).
About this color
#575D80 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.057 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 6.39:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #575D80 |
| RGB | rgb(87, 93, 128) |
| HSL | hsl(231, 19%, 42%) |
| OKLCH | oklch(48.7% 0.057 276.6) |
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 #575D80 | 6.39:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #575D80 | 3.28:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #575D80 text on white | 6.39:1 | AA | Lc 81.8 | Fine for body text |
| #575D80 text on black | 3.28:1 | AA large text | Lc -20.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCBFD3
oklch(80.9% 0.028 279)
-
Step 400
400
#999FBC
oklch(70.7% 0.043 276)
-
Step 500
500
#8087AC
oklch(63.1% 0.056 276.3)
-
Step 600
600
#6A7097
oklch(55.5% 0.061 277.4)
-
Step 700
700 (this color)
#575D80
oklch(48.7% 0.057 276.6)
-
Step 800
800
#484D69
oklch(42.7% 0.047 276.4)
-
Step 900
900
#3C4055
oklch(37.7% 0.036 276.1)
-
Step 950
950
#232632
oklch(27.1% 0.023 273.8)
#575D80 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) | #536182 | 0.012 |
| Deuteranopia (no green cones) | #505D7F | 0.010 |
| Tritanopia (no blue cones) | #4C6469 | 0.052 |
| Achromatopsia (no color) | #5F5F5F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575D80
#575D80
oklch(48.7% 0.057 276.6)
- #69603A
#69603A
oklch(48.8% 0.056 96.4)
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 #575D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- Dusk #4E5481 ΔE 0.032
- YInMn Blue #415A77 ΔE 0.036
- Dusky Blue #475F94 ΔE 0.037
- Denim #3B638C ΔE 0.039
- Slate #516572 ΔE 0.039
- Twilight #4E518B ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.048
Use #575D80 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.