#575F80
Closest named color: Dusty Grape (#545775). oklch(49.2% 0.054 273.7), rgb(87, 95, 128).
Aa
White text reads best on this color (6.26:1).
About this color
#575F80 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.054 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.027 away. White text reads best on it, at 6.26:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #575F80 |
| RGB | rgb(87, 95, 128) |
| HSL | hsl(228, 19%, 42%) |
| OKLCH | oklch(49.2% 0.054 273.7) |
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 #575F80 | 6.26:1 | AA | Lc -86.3 | Fine for body text |
| Black text on #575F80 | 3.35:1 | AA large text | Lc 22.9 | Dividers and decoration only |
| #575F80 text on white | 6.26:1 | AA | Lc 81.2 | Fine for body text |
| #575F80 text on black | 3.35:1 | AA large text | Lc -20.7 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BBC0D2
oklch(80.9% 0.026 273.4)
-
Step 400
400
#989FBB
oklch(70.6% 0.042 274.2)
-
Step 500
500
#7F88AA
oklch(63.2% 0.052 273.3)
-
Step 600
600
#687196
oklch(55.5% 0.059 273.8)
-
Step 700
700 (this color)
#575F80
oklch(49.2% 0.054 273.7)
-
Step 800
800
#474D68
oklch(42.6% 0.046 274.6)
-
Step 900
900
#3B4054
oklch(37.5% 0.035 273.7)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#575F80 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) | #556281 | 0.009 |
| Deuteranopia (no green cones) | #525F7F | 0.007 |
| Tritanopia (no blue cones) | #4C656A | 0.048 |
| Achromatopsia (no color) | #606060 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575F80
#575F80
oklch(49.2% 0.054 273.7)
- #6B613D
#6B613D
oklch(49.3% 0.054 94.4)
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 #575F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.027
- Slate #516572 ΔE 0.034
- Dusk #4E5481 ΔE 0.037
- Denim #3B638C ΔE 0.038
- YInMn Blue #415A77 ΔE 0.038
- Dusky Blue #475F94 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.050
- Twilight #4E518B ΔE 0.052
Use #575F80 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.