#615CAE
Closest named color: Iris (#6258C4). oklch(51.9% 0.126 283.8), rgb(97, 92, 174).
Aa
White text reads best on this color (5.75:1).
About this color
#615CAE is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.126 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 5.75:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #615CAE |
| RGB | rgb(97, 92, 174) |
| HSL | hsl(244, 34%, 52%) |
| OKLCH | oklch(51.9% 0.126 283.8) |
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 #615CAE | 5.75:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #615CAE | 3.65:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #615CAE text on white | 5.75:1 | AA | Lc 78.6 | Fine for body text |
| #615CAE text on black | 3.65:1 | AA large text | Lc -23.2 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE8
oklch(80.9% 0.062 283.9)
-
Step 400
400
#9998DC
oklch(70.7% 0.099 284.3)
-
Step 500
500
#817ED2
oklch(63.2% 0.124 283.9)
-
Step 600
600
#6B65BF
oklch(55.5% 0.136 284)
-
Step 700
700 (this color)
#615CAE
oklch(51.9% 0.126 283.8)
-
Step 800
800
#494586
oklch(42.7% 0.105 283.8)
-
Step 900
900
#3D3A6B
oklch(37.6% 0.082 284.5)
-
Step 950
950
#23233F
oklch(27.1% 0.051 282.4)
#615CAE 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) | #3B68B1 | 0.053 |
| Deuteranopia (no green cones) | #3863AC | 0.053 |
| Tritanopia (no blue cones) | #496D7C | 0.109 |
| Achromatopsia (no color) | #666666 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615CAE
#615CAE
oklch(51.9% 0.126 283.8)
- #746B00
#746B00
oklch(52% 0.11 103.7)
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 #615CAE, closest first.
No curated palette has a color within ΔE 0.04 of #615CAE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Slate Blue #6A5ACD ΔE 0.051
- French Blue #436BAD ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.056
- Dusky Blue #475F94 ΔE 0.058
- Twilight #4E518B ΔE 0.068
- Mid Blue #276AB3 ΔE 0.068
Use #615CAE 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.