#6B5BC1
Closest named color: Iris (#6258C4). oklch(53.8% 0.154 287.3), rgb(107, 91, 193).
Aa
White text reads best on this color (5.39:1).
About this color
#6B5BC1 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.154 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.018 away. White text reads best on it, at 5.39:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #6B5BC1 |
| RGB | rgb(107, 91, 193) |
| HSL | hsl(249, 45%, 56%) |
| OKLCH | oklch(53.8% 0.154 287.3) |
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 #6B5BC1 | 5.39:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #6B5BC1 | 3.89:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #6B5BC1 text on white | 5.39:1 | AA | Lc 76.7 | Fine for body text |
| #6B5BC1 text on black | 3.89:1 | AA large text | Lc -25.1 | 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 600.
-
Step 50
50
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F2
oklch(88.6% 0.038 287.2)
-
Step 300
300
#BDBAEC
oklch(80.8% 0.07 287.5)
-
Step 400
400
#9C95E2
oklch(70.6% 0.111 287.3)
-
Step 500
500
#857ADA
oklch(63.2% 0.141 286.9)
-
Step 600
600 (this color)
#6B5BC1
oklch(53.8% 0.154 287.3)
-
Step 700
700
#5E4FAC
oklch(49.1% 0.143 287.3)
-
Step 800
800
#4D418B
oklch(42.6% 0.118 287.7)
-
Step 900
900
#3F386F
oklch(37.6% 0.092 287)
-
Step 950
950
#252141
oklch(27% 0.058 287.5)
#6B5BC1 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) | #2A6DC5 | 0.081 |
| Deuteranopia (no green cones) | #2967BF | 0.079 |
| Tritanopia (no blue cones) | #507185 | 0.129 |
| Achromatopsia (no color) | #6A6A6A | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5BC1
#6B5BC1
oklch(53.8% 0.154 287.3)
- #767200
#767200
oklch(53.8% 0.116 107.3)
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 #6B5BC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.018
- Slate Blue #6A5ACD ΔE 0.019
- Light Indigo #6D5ACF ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.026
- Deep Lavender #8D5EB7 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.063
- Purpley #8756E4 ΔE 0.071
Use #6B5BC1 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.