#575D7D
Closest named color: Dusty Grape (#545775). oklch(48.6% 0.052 276.1), rgb(87, 93, 125).
Aa
White text reads best on this color (6.42:1).
About this color
#575D7D is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.052 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.020 away. White text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.26:1 |
| White text | 6.42:1 |
Values
| HEX | #575D7D |
| RGB | rgb(87, 93, 125) |
| HSL | hsl(231, 18%, 42%) |
| OKLCH | oklch(48.6% 0.052 276.1) |
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 #575D7D | 6.42:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #575D7D | 3.26:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #575D7D text on white | 6.42:1 | AA | Lc 81.9 | Fine for body text |
| #575D7D text on black | 3.26:1 | AA large text | Lc -20.0 | 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
#BCC0D1
oklch(81% 0.024 275.3)
-
Step 400
400
#999FBA
oklch(70.7% 0.04 275.5)
-
Step 500
500
#8187A9
oklch(63.1% 0.052 277)
-
Step 600
600
#6A7194
oklch(55.6% 0.055 275.7)
-
Step 700
700 (this color)
#575D7D
oklch(48.6% 0.052 276.1)
-
Step 800
800
#484D67
oklch(42.6% 0.044 275.9)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#575D7D 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) | #54607E | 0.009 |
| Deuteranopia (no green cones) | #515D7C | 0.009 |
| Tritanopia (no blue cones) | #4D6368 | 0.047 |
| Achromatopsia (no color) | #5F5F5F | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575D7D
#575D7D
oklch(48.6% 0.052 276.1)
- #685F3D
#685F3D
oklch(48.5% 0.051 95.1)
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 #575D7D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.020
- Dusk #4E5481 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.034
- Slate #516572 ΔE 0.035
- Denim #3B638C ΔE 0.040
- Dusky Blue #475F94 ΔE 0.041
- Twilight #4E518B ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.051
Use #575D7D 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.