#575B74
Closest named color: Dusty Grape (#545775). oklch(47.7% 0.041 277.6), rgb(87, 91, 116).
Aa
White text reads best on this color (6.65:1).
About this color
#575B74 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.041 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.014 away. White text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.15:1 |
| White text | 6.65:1 |
Values
| HEX | #575B74 |
| RGB | rgb(87, 91, 116) |
| HSL | hsl(232, 14%, 40%) |
| OKLCH | oklch(47.7% 0.041 277.6) |
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 #575B74 | 6.65:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #575B74 | 3.15:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #575B74 text on white | 6.65:1 | AA | Lc 82.9 | Fine for body text |
| #575B74 text on black | 3.15:1 | AA large text | Lc -19.0 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400
#9B9FB5
oklch(70.7% 0.032 277.4)
-
Step 500
500
#8388A2
oklch(63.2% 0.039 276.6)
-
Step 600
600
#6D718D
oklch(55.6% 0.044 278.5)
-
Step 700
700 (this color)
#575B74
oklch(47.7% 0.041 277.6)
-
Step 800
800
#4A4D62
oklch(42.6% 0.035 278.4)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#575B74 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) | #545D75 | 0.007 |
| Deuteranopia (no green cones) | #525B73 | 0.008 |
| Tritanopia (no blue cones) | #505F63 | 0.036 |
| Achromatopsia (no color) | #5C5C5C | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575B74
#575B74
oklch(47.7% 0.041 277.6)
- #635D43
#635D43
oklch(47.7% 0.04 96.7)
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 #575B74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.031
- Slate #516572 ΔE 0.032
- Dusk #4E5481 ΔE 0.037
- Denim #3B638C ΔE 0.049
- Dusky Blue #475F94 ΔE 0.053
- Twilight #4E518B ΔE 0.056
- Dim Gray #696969 ΔE 0.059
Use #575B74 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.