#655BB1
Closest named color: Iris (#6258C4). oklch(52.2% 0.132 286.2), rgb(101, 91, 177).
Aa
White text reads best on this color (5.69:1).
About this color
#655BB1 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.132 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.032 away. White text reads best on it, at 5.69:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #655BB1 |
| RGB | rgb(101, 91, 177) |
| HSL | hsl(247, 36%, 53%) |
| OKLCH | oklch(52.2% 0.132 286.2) |
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 #655BB1 | 5.69:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #655BB1 | 3.68:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #655BB1 text on white | 5.69:1 | AA | Lc 78.3 | Fine for body text |
| #655BB1 text on black | 3.68:1 | AA large text | Lc -23.4 | 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
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D7D6F0
oklch(88.5% 0.036 287.4)
-
Step 300
300
#BDBBE9
oklch(80.9% 0.064 286.9)
-
Step 400
400
#9B97DD
oklch(70.7% 0.101 286.1)
-
Step 500
500
#847CD4
oklch(63.1% 0.13 286.2)
-
Step 600
600
#6E63C1
oklch(55.5% 0.142 286.2)
-
Step 700
700 (this color)
#655BB1
oklch(52.2% 0.132 286.2)
-
Step 800
800
#4B4387
oklch(42.6% 0.11 286.1)
-
Step 900
900
#3F396C
oklch(37.7% 0.085 286.9)
-
Step 950
950
#24223F
oklch(27% 0.053 285.4)
#655BB1 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) | #3869B4 | 0.062 |
| Deuteranopia (no green cones) | #3764AF | 0.060 |
| Tritanopia (no blue cones) | #4E6D7D | 0.113 |
| Achromatopsia (no color) | #666666 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #655BB1
#655BB1
oklch(52.2% 0.132 286.2)
- #726D00
#726D00
oklch(52.2% 0.112 106.5)
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 #655BB1, closest first.
No curated palette has a color within ΔE 0.04 of #655BB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.032
- Slate Blue #6A5ACD ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.050
- French Blue #436BAD ΔE 0.059
- Dusky Blue #475F94 ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.072
Use #655BB1 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.