#573F94
Closest named color: Blueberry (#464196). oklch(43.9% 0.134 293.1), rgb(87, 63, 148).
Aa
White text reads best on this color (8.25:1).
About this color
#573F94 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.134 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.029 away. White text reads best on it, at 8.25:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.25:1 |
Values
| HEX | #573F94 |
| RGB | rgb(87, 63, 148) |
| HSL | hsl(257, 40%, 41%) |
| OKLCH | oklch(43.9% 0.134 293.1) |
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 #573F94 | 8.25:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #573F94 | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #573F94 text on white | 8.25:1 | AAA | Lc 88.2 | Fine for body text |
| #573F94 text on black | 2.54:1 | Fails | Lc -13.9 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C2B8EF
oklch(81% 0.077 292.9)
-
Step 400
400
#A491E7
oklch(70.7% 0.124 293.1)
-
Step 500
500
#8F73E0
oklch(63.1% 0.16 293.1)
-
Step 600
600
#7A58CE
oklch(55.5% 0.175 293.1)
-
Step 700
700
#6748B2
oklch(49.1% 0.161 293)
-
Step 800
800 (this color)
#573F94
oklch(43.9% 0.134 293.1)
-
Step 900
900
#453473
oklch(37.7% 0.104 293.2)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#573F94 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) | #125097 | 0.086 |
| Deuteranopia (no green cones) | #1A4D92 | 0.081 |
| Tritanopia (no blue cones) | #475163 | 0.108 |
| Achromatopsia (no color) | #4F4F4F | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573F94
#573F94
oklch(43.9% 0.134 293.1)
- #535700
#535700
oklch(43.8% 0.098 112.8)
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 #573F94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.029
- Dark Slate Blue #483D8B ΔE 0.031
- Rebecca Purple #663399 ΔE 0.037
- Twilight #4E518B ΔE 0.052
- Dusk #4E5481 ΔE 0.070
- Cobalt #1E488F ΔE 0.078
- Blue With A Hint Of Purple #533CC6 ΔE 0.081
- Dusk Blue #26538D ΔE 0.081
Use #573F94 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.