#57348A
Closest named color: Dark Slate Blue (#483D8B). oklch(41.3% 0.138 299), rgb(87, 52, 138).
Aa
White text reads best on this color (9.27:1).
About this color
#57348A is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.138 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.032 away. White text reads best on it, at 9.27:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #57348A |
| RGB | rgb(87, 52, 138) |
| HSL | hsl(264, 45%, 37%) |
| OKLCH | oklch(41.3% 0.138 299) |
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 #57348A | 9.27:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #57348A | 2.26:1 | Fails | Lc 12.9 | Not readable |
| #57348A text on white | 9.27:1 | AAA | Lc 91.0 | Preferred for body text |
| #57348A text on black | 2.26:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C7B6EE
oklch(80.9% 0.08 298.5)
-
Step 400
400
#AC8DE5
oklch(70.6% 0.129 299.3)
-
Step 500
500
#986EDE
oklch(63% 0.166 298.9)
-
Step 600
600
#8454CB
oklch(55.7% 0.178 299.1)
-
Step 700
700
#7043B0
oklch(49.1% 0.167 299.2)
-
Step 800
800 (this color)
#57348A
oklch(41.3% 0.138 299)
-
Step 900
900
#4A3172
oklch(37.6% 0.108 298.8)
-
Step 950
950
#2B1E43
oklch(27.1% 0.068 298)
#57348A 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) | #00478D | 0.102 |
| Deuteranopia (no green cones) | #134688 | 0.095 |
| Tritanopia (no blue cones) | #4C465A | 0.104 |
| Achromatopsia (no color) | #474747 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57348A
#57348A
oklch(41.3% 0.138 299)
- #465200
#465200
oklch(41.3% 0.097 119)
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 #57348A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.032
- Rebecca Purple #663399 ΔE 0.037
- Blueberry #464196 ΔE 0.044
- Twilight #4E518B ΔE 0.075
- Chrysanthemum #560BAD ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.084
- Indigo #4B0082 ΔE 0.085
- Dusk #4E5481 ΔE 0.088
Use #57348A 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.