#615FA3
Closest named color: Dusky Blue (#475F94). oklch(51.8% 0.106 283.4), rgb(97, 95, 163).
Aa
White text reads best on this color (5.71:1).
About this color
#615FA3 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.106 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.045 away. White text reads best on it, at 5.71:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #615FA3 |
| RGB | rgb(97, 95, 163) |
| HSL | hsl(242, 27%, 51%) |
| OKLCH | oklch(51.8% 0.106 283.4) |
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 #615FA3 | 5.71:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #615FA3 | 3.67:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #615FA3 text on white | 5.71:1 | AA | Lc 78.5 | Fine for body text |
| #615FA3 text on black | 3.67:1 | AA large text | Lc -23.3 | 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
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE1
oklch(80.9% 0.051 282.7)
-
Step 400
400
#999AD3
oklch(70.7% 0.083 283.3)
-
Step 500
500
#8181C7
oklch(63.2% 0.104 283)
-
Step 600
600
#6B69B3
oklch(55.6% 0.113 283.3)
-
Step 700
700 (this color)
#615FA3
oklch(51.8% 0.106 283.4)
-
Step 800
800
#49477D
oklch(42.6% 0.088 283.7)
-
Step 900
900
#3D3C65
oklch(37.7% 0.069 283.7)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#615FA3 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) | #4769A6 | 0.041 |
| Deuteranopia (no green cones) | #4564A1 | 0.039 |
| Tritanopia (no blue cones) | #4E6C79 | 0.090 |
| Achromatopsia (no color) | #666666 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615FA3
#615FA3
oklch(51.8% 0.106 283.4)
- #746B0A
#746B0A
oklch(52% 0.106 103.5)
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 #615FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.045
- French Blue #436BAD ΔE 0.047
- Iris #6258C4 ΔE 0.058
- Twilight #4E518B ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
- Muted Purple #805B87 ΔE 0.065
- Flat Blue #3C73A8 ΔE 0.065
- Denim #3B638C ΔE 0.065
Use #615FA3 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.