#6F5ACD
Closest named color: Light Indigo (#6D5ACF). oklch(54.8% 0.171 287.8), rgb(111, 90, 205).
Aa
White text reads best on this color (5.22:1).
About this color
#6F5ACD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.171 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.004 away. White text reads best on it, at 5.22:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #6F5ACD |
| RGB | rgb(111, 90, 205) |
| HSL | hsl(251, 53%, 58%) |
| OKLCH | oklch(54.8% 0.171 287.8) |
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 #6F5ACD | 5.22:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #6F5ACD | 4.01:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #6F5ACD text on white | 5.22:1 | AA | Lc 75.6 | Fine for body text |
| #6F5ACD text on black | 4.01:1 | AA large text | Lc -26.1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BDB9F0
oklch(80.8% 0.077 287.9)
-
Step 400
400
#9D94E9
oklch(70.8% 0.123 287.7)
-
Step 500
500
#8676E2
oklch(63% 0.158 287.8)
-
Step 600
600 (this color)
#6F5ACD
oklch(54.8% 0.171 287.8)
-
Step 700
700
#5F4BB4
oklch(49% 0.16 287.8)
-
Step 800
800
#4D3F92
oklch(42.8% 0.131 287.2)
-
Step 900
900
#403674
oklch(37.7% 0.102 287.9)
-
Step 950
950
#252044
oklch(26.9% 0.065 287.6)
#6F5ACD 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) | #146FD1 | 0.096 |
| Deuteranopia (no green cones) | #1469CB | 0.095 |
| Tritanopia (no blue cones) | #51738B | 0.141 |
| Achromatopsia (no color) | #6C6C6C | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F5ACD
#6F5ACD
oklch(54.8% 0.171 287.8)
- #787500
#787500
oklch(54.7% 0.118 107.9)
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 #6F5ACD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.004
- Slate Blue #6A5ACD ΔE 0.008
- Dark Periwinkle #665FD1 ΔE 0.018
- Iris #6258C4 ΔE 0.026
- Purpley #8756E4 ΔE 0.053
- Warm Blue #4B57DB ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.062
Use #6F5ACD 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.