#575291
Closest named color: Twilight (#4E518B). oklch(47.3% 0.1 285.5), rgb(87, 82, 145).
Aa
White text reads best on this color (6.95:1).
About this color
#575291 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.100 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.018 away. White text reads best on it, at 6.95:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.02:1 |
| White text | 6.95:1 |
Values
| HEX | #575291 |
| RGB | rgb(87, 82, 145) |
| HSL | hsl(245, 28%, 45%) |
| OKLCH | oklch(47.3% 0.1 285.5) |
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 #575291 | 6.95:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #575291 | 3.02:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #575291 text on white | 6.95:1 | AA | Lc 84.0 | Fine for body text |
| #575291 text on black | 3.02:1 | AA large text | Lc -18.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BDBDDF
oklch(80.9% 0.048 285.3)
-
Step 400
400
#9C9ACF
oklch(70.7% 0.077 286)
-
Step 500
500
#8480C3
oklch(63% 0.1 285.9)
-
Step 600
600
#6E69AF
oklch(55.6% 0.107 285.6)
-
Step 700
700 (this color)
#575291
oklch(47.3% 0.1 285.5)
-
Step 800
800
#4B477A
oklch(42.6% 0.083 285.9)
-
Step 900
900
#3E3C62
oklch(37.6% 0.064 285.3)
-
Step 950
950
#24233A
oklch(26.9% 0.042 285.2)
#575291 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) | #3C5B93 | 0.041 |
| Deuteranopia (no green cones) | #3B5890 | 0.040 |
| Tritanopia (no blue cones) | #475E6A | 0.085 |
| Achromatopsia (no color) | #595959 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #575291
#575291
oklch(47.3% 0.1 285.5)
- #645E02
#645E02
oklch(47.3% 0.1 105.2)
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 #575291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.018
- Dusk #4E5481 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.043
- Dusty Grape #545775 ΔE 0.052
- Blueberry #464196 ΔE 0.057
- Light Navy Blue #2E5A88 ΔE 0.058
- Denim #3B638C ΔE 0.060
Use #575291 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.