#57386E
Closest named color: Dark Slate Blue (#483D8B). oklch(40.1% 0.094 309.2), rgb(87, 56, 110).
Aa
White text reads best on this color (9.56:1).
About this color
#57386E is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.094 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.055 away. White text reads best on it, at 9.56:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #57386E |
| RGB | rgb(87, 56, 110) |
| HSL | hsl(274, 33%, 33%) |
| OKLCH | oklch(40.1% 0.094 309.2) |
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 #57386E | 9.56:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #57386E | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #57386E text on white | 9.56:1 | AAA | Lc 92.0 | Preferred for body text |
| #57386E text on black | 2.19:1 | Fails | Lc -10.4 | Not readable |
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 900.
-
Step 50
50
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E1D3ED
oklch(88.6% 0.038 309.6)
-
Step 300
300
#CEB5E4
oklch(81% 0.07 308.9)
-
Step 400
400
#B58DD6
oklch(70.8% 0.112 308.8)
-
Step 500
500
#A36ECB
oklch(63.1% 0.145 309.1)
-
Step 600
600
#8E54B7
oklch(55.5% 0.157 309.2)
-
Step 700
700
#79449E
oklch(49.1% 0.146 309.2)
-
Step 800
800
#623980
oklch(42.7% 0.12 308.9)
-
Step 900
900 (this color)
#57386E
oklch(40.1% 0.094 309.2)
-
Step 950
950
#2F1D3C
oklch(26.9% 0.06 309.7)
#57386E 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) | #2B4470 | 0.074 |
| Deuteranopia (no green cones) | #33466D | 0.067 |
| Tritanopia (no blue cones) | #54414D | 0.069 |
| Achromatopsia (no color) | #454545 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57386E
#57386E
oklch(40.1% 0.094 309.2)
- #385111
#385111
oklch(40.1% 0.094 128.8)
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 #57386E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.055
- Blueberry #464196 ΔE 0.073
- Twilight #4E518B ΔE 0.075
- Dusk #4E5481 ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
- Grape Purple #5D1451 ΔE 0.084
- Dusty Grape #545775 ΔE 0.086
- Purple Brown #673A3F ΔE 0.088
Use #57386E 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.