#57597F
Closest named color: Dusty Grape (#545775). oklch(47.8% 0.061 281.5), rgb(87, 89, 127).
Aa
White text reads best on this color (6.68:1).
About this color
#57597F is a medium-dark, muted purple. In OKLCH its lightness is 48%, its chroma 0.061 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.017 away. White text reads best on it, at 6.68:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #57597F |
| RGB | rgb(87, 89, 127) |
| HSL | hsl(237, 19%, 42%) |
| OKLCH | oklch(47.8% 0.061 281.5) |
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 #57597F | 6.68:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #57597F | 3.14:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #57597F text on white | 6.68:1 | AA | Lc 83.0 | Fine for body text |
| #57597F text on black | 3.14:1 | AA large text | Lc -18.9 | 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
#E9E9F0
oklch(93.6% 0.009 286.2)
-
Step 200
200
#D7D8E4
oklch(88.5% 0.016 282.2)
-
Step 300
300
#BDBFD4
oklch(81% 0.029 281.4)
-
Step 400
400
#9B9EBE
oklch(70.8% 0.047 280.9)
-
Step 500
500
#8386AE
oklch(63.2% 0.06 281.2)
-
Step 600
600
#6C6F99
oklch(55.6% 0.065 280.9)
-
Step 700
700 (this color)
#57597F
oklch(47.8% 0.061 281.5)
-
Step 800
800
#4A4C6A
oklch(42.7% 0.05 281.1)
-
Step 900
900
#3E3F56
oklch(37.7% 0.039 282.4)
-
Step 950
950
#242533
oklch(27% 0.026 281.3)
#57597F 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) | #4E5D81 | 0.016 |
| Deuteranopia (no green cones) | #4C5B7E | 0.017 |
| Tritanopia (no blue cones) | #4D6066 | 0.054 |
| Achromatopsia (no color) | #5C5C5C | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57597F
#57597F
oklch(47.8% 0.061 281.5)
- #645E34
#645E34
oklch(47.7% 0.061 101.2)
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 #57597F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.017
- Dusk #4E5481 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.035
- Twilight #4E518B ΔE 0.037
- Dusky Blue #475F94 ΔE 0.038
- Denim #3B638C ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.046
- Slate #516572 ΔE 0.048
Use #57597F 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.