#6B5ABE
Closest named color: Iris (#6258C4). oklch(53.4% 0.151 288), rgb(107, 90, 190).
Aa
White text reads best on this color (5.48:1).
About this color
#6B5ABE is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.151 and its hue 288°. 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 5.48:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.83:1 |
| White text | 5.48:1 |
Values
| HEX | #6B5ABE |
| RGB | rgb(107, 90, 190) |
| HSL | hsl(250, 43%, 55%) |
| OKLCH | oklch(53.4% 0.151 288) |
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 #6B5ABE | 5.48:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #6B5ABE | 3.83:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #6B5ABE text on white | 5.48:1 | AA | Lc 77.1 | Fine for body text |
| #6B5ABE text on black | 3.83:1 | AA large text | Lc -24.6 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D7D6F1
oklch(88.5% 0.037 287.3)
-
Step 300
300
#BEBAEB
oklch(80.9% 0.069 288.5)
-
Step 400
400
#9D95E1
oklch(70.6% 0.11 288.1)
-
Step 500
500
#867AD8
oklch(63.2% 0.138 287.6)
-
Step 600
600 (this color)
#6B5ABE
oklch(53.4% 0.151 288)
-
Step 700
700
#5F4FAA
oklch(49% 0.14 288.2)
-
Step 800
800
#4D418A
oklch(42.6% 0.117 287.9)
-
Step 900
900
#40386E
oklch(37.7% 0.09 288.1)
-
Step 950
950
#252141
oklch(27% 0.058 287.5)
#6B5ABE 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) | #2B6BC1 | 0.080 |
| Deuteranopia (no green cones) | #2B67BC | 0.079 |
| Tritanopia (no blue cones) | #526F83 | 0.126 |
| Achromatopsia (no color) | #696969 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5ABE
#6B5ABE
oklch(53.4% 0.151 288)
- #747100
#747100
oklch(53.4% 0.115 107.9)
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 #6B5ABE, 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 0.023
- Light Indigo #6D5ACF ΔE 0.027
- Dark Periwinkle #665FD1 ΔE 0.031
- Deep Lavender #8D5EB7 ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.066
- French Blue #436BAD ΔE 0.074
Use #6B5ABE 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.