#574289
Closest named color: Dark Slate Blue (#483D8B). oklch(43.7% 0.114 294.9), rgb(87, 66, 137).
Aa
White text reads best on this color (8.24:1).
About this color
#574289 is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.114 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.031 away. White text reads best on it, at 8.24:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #574289 |
| RGB | rgb(87, 66, 137) |
| HSL | hsl(258, 35%, 40%) |
| OKLCH | oklch(43.7% 0.114 294.9) |
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 #574289 | 8.24:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #574289 | 2.54:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #574289 text on white | 8.24:1 | AAA | Lc 88.3 | Fine for body text |
| #574289 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#DAD5F0
oklch(88.5% 0.037 294.1)
-
Step 300
300
#C3B9E8
oklch(81% 0.066 294.6)
-
Step 400
400
#A593DC
oklch(70.7% 0.106 294.9)
-
Step 500
500
#9077D3
oklch(63.2% 0.136 294.7)
-
Step 600
600
#7B5EC0
oklch(55.7% 0.148 294.8)
-
Step 700
700
#684DA5
oklch(49.2% 0.137 295)
-
Step 800
800 (this color)
#574289
oklch(43.7% 0.114 294.9)
-
Step 900
900
#45366B
oklch(37.6% 0.089 294.8)
-
Step 950
950
#29203F
oklch(27% 0.057 295.7)
#574289 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) | #274F8B | 0.070 |
| Deuteranopia (no green cones) | #2C4D87 | 0.065 |
| Tritanopia (no blue cones) | #4B505F | 0.091 |
| Achromatopsia (no color) | #4F4F4F | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574289
#574289
oklch(43.7% 0.114 294.9)
- #505700
#505700
oklch(43.6% 0.099 115)
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 #574289, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.036
- Twilight #4E518B ΔE 0.041
- Rebecca Purple #663399 ΔE 0.051
- Dusk #4E5481 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.074
- Dusty Grape #545775 ΔE 0.074
- Dusk Blue #26538D ΔE 0.074
Use #574289 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.