#574579
Closest named color: Twilight (#4E518B). oklch(43.3% 0.086 298.7), rgb(87, 69, 121).
Aa
White text reads best on this color (8.29:1).
About this color
#574579 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.086 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.041 away. White text reads best on it, at 8.29:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.53:1 |
| White text | 8.29:1 |
Values
| HEX | #574579 |
| RGB | rgb(87, 69, 121) |
| HSL | hsl(261, 27%, 37%) |
| OKLCH | oklch(43.3% 0.086 298.7) |
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 #574579 | 8.29:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #574579 | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #574579 text on white | 8.29:1 | AAA | Lc 88.5 | Fine for body text |
| #574579 text on black | 2.53:1 | Fails | Lc -13.6 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DBD5EA
oklch(88.4% 0.029 298.8)
-
Step 300
300
#C4BADD
oklch(80.8% 0.05 298.3)
-
Step 400
400
#A796CC
oklch(70.7% 0.08 298.8)
-
Step 500
500
#927BBF
oklch(63.1% 0.103 299)
-
Step 600
600
#7C63AB
oklch(55.5% 0.112 298.7)
-
Step 700
700
#695293
oklch(49.1% 0.104 298.8)
-
Step 800
800 (this color)
#574579
oklch(43.3% 0.086 298.7)
-
Step 900
900
#463960
oklch(37.6% 0.067 298.5)
-
Step 950
950
#292238
oklch(27% 0.041 298.2)
#574579 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) | #374E7B | 0.052 |
| Deuteranopia (no green cones) | #3A4E78 | 0.049 |
| Tritanopia (no blue cones) | #504E59 | 0.068 |
| Achromatopsia (no color) | #4E4E4E | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #574579
#574579
oklch(43.3% 0.086 298.7)
- #4C5719
#4C5719
oklch(43.4% 0.086 118.8)
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 #574579, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.042
- Dark Slate Blue #483D8B ΔE 0.049
- Dusty Grape #545775 ΔE 0.054
- Blueberry #464196 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.068
- Denim Blue #3B5B92 ΔE 0.073
- Dusk Blue #26538D ΔE 0.074
Use #574579 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.