#615591
Closest named color: Twilight (#4E518B). oklch(48.8% 0.095 291.7), rgb(97, 85, 145).
Aa
White text reads best on this color (6.52:1).
About this color
#615591 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.095 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.034 away. White text reads best on it, at 6.52:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.21:1 |
| White text | 6.52:1 |
Values
| HEX | #615591 |
| RGB | rgb(97, 85, 145) |
| HSL | hsl(252, 26%, 45%) |
| OKLCH | oklch(48.8% 0.095 291.7) |
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 #615591 | 6.52:1 | AA | Lc -87.3 | Fine for body text |
| Black text on #615591 | 3.21:1 | AA large text | Lc 21.8 | Dividers and decoration only |
| #615591 text on white | 6.52:1 | AA | Lc 82.3 | Fine for body text |
| #615591 text on black | 3.21:1 | AA large text | Lc -19.6 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D6E9
oklch(88.4% 0.026 293.1)
-
Step 300
300
#C0BCDD
oklch(80.9% 0.046 290.9)
-
Step 400
400
#A199CB
oklch(70.8% 0.073 291.8)
-
Step 500
500
#8A7FBE
oklch(63.1% 0.094 291.5)
-
Step 600
600
#7468AA
oklch(55.7% 0.101 291.1)
-
Step 700
700 (this color)
#615591
oklch(48.8% 0.095 291.7)
-
Step 800
800
#504676
oklch(42.6% 0.079 292.3)
-
Step 900
900
#423B5F
oklch(37.6% 0.061 292.1)
-
Step 950
950
#272338
oklch(27.1% 0.039 292.3)
#615591 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) | #435F93 | 0.048 |
| Deuteranopia (no green cones) | #445C90 | 0.044 |
| Tritanopia (no blue cones) | #56606C | 0.078 |
| Achromatopsia (no color) | #5E5E5E | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615591
#615591
oklch(48.8% 0.095 291.7)
- #62651A
#62651A
oklch(48.9% 0.095 111.7)
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 #615591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.034
- Dusk #4E5481 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.043
- Dusty Grape #545775 ΔE 0.053
- Denim Blue #3B5B92 ΔE 0.053
- Muted Purple #805B87 ΔE 0.060
- Denim #3B638C ΔE 0.063
- YInMn Blue #415A77 ΔE 0.068
Use #615591 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.