#615CAA
Closest named color: Iris (#6258C4). oklch(51.7% 0.121 284.2), rgb(97, 92, 170).
Aa
White text reads best on this color (5.80:1).
About this color
#615CAA is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.121 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 5.80:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #615CAA |
| RGB | rgb(97, 92, 170) |
| HSL | hsl(244, 31%, 51%) |
| OKLCH | oklch(51.7% 0.121 284.2) |
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 #615CAA | 5.80:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #615CAA | 3.61:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #615CAA text on white | 5.80:1 | AA | Lc 78.9 | Fine for body text |
| #615CAA text on black | 3.61:1 | AA large text | Lc -22.9 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EE
oklch(88.5% 0.031 283.8)
-
Step 300
300
#BBBCE6
oklch(80.8% 0.059 283.9)
-
Step 400
400
#9999D9
oklch(70.7% 0.093 283.8)
-
Step 500
500
#817ECF
oklch(63% 0.12 284.1)
-
Step 600
600
#6C66BC
oklch(55.6% 0.13 284.5)
-
Step 700
700 (this color)
#615CAA
oklch(51.7% 0.121 284.2)
-
Step 800
800
#494683
oklch(42.8% 0.099 283.6)
-
Step 900
900
#3D3B69
oklch(37.7% 0.077 284)
-
Step 950
950
#24233E
oklch(27.1% 0.05 284.3)
#615CAA 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) | #3E68AD | 0.051 |
| Deuteranopia (no green cones) | #3B63A8 | 0.051 |
| Tritanopia (no blue cones) | #4B6C7B | 0.103 |
| Achromatopsia (no color) | #656565 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615CAA
#615CAA
oklch(51.7% 0.121 284.2)
- #736A00
#736A00
oklch(51.6% 0.109 103.7)
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 #615CAA, closest first.
No curated palette has a color within ΔE 0.04 of #615CAA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- French Blue #436BAD ΔE 0.052
- Dusky Blue #475F94 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.057
- Dark Periwinkle #665FD1 ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.062
- Twilight #4E518B ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.066
Use #615CAA 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.