#575A74
Closest named color: Dusty Grape (#545775). oklch(47.5% 0.042 279.5), rgb(87, 90, 116).
Aa
White text reads best on this color (6.73:1).
About this color
#575A74 is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.042 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.011 away. White text reads best on it, at 6.73:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.11:1 |
| White text | 6.73:1 |
Values
| HEX | #575A74 |
| RGB | rgb(87, 90, 116) |
| HSL | hsl(234, 14%, 40%) |
| OKLCH | oklch(47.5% 0.042 279.5) |
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 #575A74 | 6.73:1 | AA | Lc -88.2 | Fine for body text |
| Black text on #575A74 | 3.11:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #575A74 text on white | 6.73:1 | AA | Lc 83.2 | Fine for body text |
| #575A74 text on black | 3.11:1 | AA large text | Lc -18.7 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E1
oklch(88.4% 0.012 281.1)
-
Step 300
300
#BDBFCE
oklch(80.8% 0.021 279.9)
-
Step 400
400
#9C9FB5
oklch(70.7% 0.032 279.4)
-
Step 500
500
#8487A3
oklch(63.1% 0.042 280.3)
-
Step 600
600
#6D718E
oklch(55.6% 0.045 278.7)
-
Step 700
700 (this color)
#575A74
oklch(47.5% 0.042 279.5)
-
Step 800
800
#4B4D62
oklch(42.7% 0.035 280.5)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#575A74 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) | #535D75 | 0.010 |
| Deuteranopia (no green cones) | #515B73 | 0.010 |
| Tritanopia (no blue cones) | #505F63 | 0.038 |
| Achromatopsia (no color) | #5C5C5C | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575A74
#575A74
oklch(47.5% 0.042 279.5)
- #625D41
#625D41
oklch(47.5% 0.043 99.2)
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 #575A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.011
- YInMn Blue #415A77 ΔE 0.031
- Dusk #4E5481 ΔE 0.035
- Slate #516572 ΔE 0.035
- Denim #3B638C ΔE 0.050
- Dusky Blue #475F94 ΔE 0.053
- Twilight #4E518B ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.059
Use #575A74 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.