#615DAB
Closest named color: Iris (#6258C4). oklch(51.9% 0.121 283.7), rgb(97, 93, 171).
Aa
White text reads best on this color (5.73:1).
About this color
#615DAB 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 5.73:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #615DAB |
| RGB | rgb(97, 93, 171) |
| HSL | hsl(243, 32%, 52%) |
| OKLCH | oklch(51.9% 0.121 283.7) |
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 #615DAB | 5.73:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #615DAB | 3.66:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #615DAB text on white | 5.73:1 | AA | Lc 78.6 | Fine for body text |
| #615DAB text on black | 3.66:1 | 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
#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
#817FCF
oklch(63.2% 0.119 283.6)
-
Step 600
600
#6B66BC
oklch(55.5% 0.131 283.9)
-
Step 700
700 (this color)
#615DAB
oklch(51.9% 0.121 283.7)
-
Step 800
800
#494683
oklch(42.8% 0.099 283.6)
-
Step 900
900
#3D3B69
oklch(37.7% 0.077 284)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#615DAB 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) | #3F69AE | 0.050 |
| Deuteranopia (no green cones) | #3C64A9 | 0.049 |
| Tritanopia (no blue cones) | #4A6D7C | 0.103 |
| Achromatopsia (no color) | #666666 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615DAB
#615DAB
oklch(51.9% 0.121 283.7)
- #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 #615DAB, closest first.
No curated palette has a color within ΔE 0.04 of #615DAB.
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 0.050
- Dusky Blue #475F94 ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Twilight #4E518B ΔE 0.066
- Denim Blue #3B5B92 ΔE 0.067
Use #615DAB 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.