#57597C
Closest named color: Dusty Grape (#545775). oklch(47.7% 0.056 281.5), rgb(87, 89, 124).
Aa
White text reads best on this color (6.71:1).
About this color
#57597C is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.056 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.013 away. White text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #57597C |
| RGB | rgb(87, 89, 124) |
| HSL | hsl(237, 18%, 41%) |
| OKLCH | oklch(47.7% 0.056 281.5) |
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 #57597C | 6.71:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #57597C | 3.12:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #57597C text on white | 6.71:1 | AA | Lc 83.1 | Fine for body text |
| #57597C text on black | 3.12:1 | AA large text | Lc -18.8 | 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
#E9E9EF
oklch(93.6% 0.008 286.2)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BDBFD2
oklch(80.9% 0.027 281)
-
Step 400
400
#9B9EBC
oklch(70.7% 0.044 280.7)
-
Step 500
500
#8386AB
oklch(63.1% 0.056 281.1)
-
Step 600
600
#6D6F96
oklch(55.5% 0.06 282)
-
Step 700
700 (this color)
#57597C
oklch(47.7% 0.056 281.5)
-
Step 800
800
#4A4C68
oklch(42.6% 0.046 281.1)
-
Step 900
900
#3E3F55
oklch(37.6% 0.038 282.4)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#57597C 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) | #4F5D7E | 0.015 |
| Deuteranopia (no green cones) | #4D5B7B | 0.016 |
| Tritanopia (no blue cones) | #4E5F65 | 0.049 |
| Achromatopsia (no color) | #5C5C5C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57597C
#57597C
oklch(47.7% 0.056 281.5)
- #635E38
#635E38
oklch(47.7% 0.056 101.8)
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 #57597C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.013
- Dusk #4E5481 ΔE 0.024
- YInMn Blue #415A77 ΔE 0.033
- Twilight #4E518B ΔE 0.041
- Dusky Blue #475F94 ΔE 0.042
- Slate #516572 ΔE 0.045
- Denim #3B638C ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.049
Use #57597C 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.