#615CAB
Closest named color: Iris (#6258C4). oklch(51.7% 0.122 284.1), rgb(97, 92, 171).
Aa
White text reads best on this color (5.78:1).
About this color
#615CAB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.122 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.042 away. White text reads best on it, at 5.78:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.62:1 |
| White text | 5.78:1 |
Values
| HEX | #615CAB |
| RGB | rgb(97, 92, 171) |
| HSL | hsl(244, 32%, 52%) |
| OKLCH | oklch(51.7% 0.122 284.1) |
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 #615CAB | 5.78:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #615CAB | 3.62:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #615CAB text on white | 5.78:1 | AA | Lc 78.8 | Fine for body text |
| #615CAB text on black | 3.62:1 | AA large text | Lc -23.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D6D7EF
oklch(88.6% 0.033 283.8)
-
Step 300
300
#BBBCE6
oklch(80.8% 0.059 283.9)
-
Step 400
400
#9999DA
oklch(70.8% 0.094 283.7)
-
Step 500
500
#817ED0
oklch(63.1% 0.122 284)
-
Step 600
600
#6C66BD
oklch(55.7% 0.132 284.4)
-
Step 700
700 (this color)
#615CAB
oklch(51.7% 0.122 284.1)
-
Step 800
800
#494584
oklch(42.6% 0.102 284.1)
-
Step 900
900
#3D3B6A
oklch(37.8% 0.079 283.9)
-
Step 950
950
#24233E
oklch(27.1% 0.05 284.3)
#615CAB 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) | #3E68AE | 0.051 |
| Deuteranopia (no green cones) | #3B63A9 | 0.050 |
| Tritanopia (no blue cones) | #4A6C7B | 0.105 |
| Achromatopsia (no color) | #656565 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615CAB
#615CAB
oklch(51.7% 0.122 284.1)
- #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 #615CAB, closest first.
No curated palette has a color within ΔE 0.04 of #615CAB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.042
- French Blue #436BAD ΔE 0.052
- Dusky Blue #475F94 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.060
- Twilight #4E518B ΔE 0.065
- Denim Blue #3B5B92 ΔE 0.067
Use #615CAB 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.