#6B5DAB
Closest named color: Iris (#6258C4). oklch(52.8% 0.12 289.9), rgb(107, 93, 171).
Aa
White text reads best on this color (5.55:1).
About this color
#6B5DAB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.120 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.046 away. White text reads best on it, at 5.55:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #6B5DAB |
| RGB | rgb(107, 93, 171) |
| HSL | hsl(251, 32%, 52%) |
| OKLCH | oklch(52.8% 0.12 289.9) |
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 #6B5DAB | 5.55:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #6B5DAB | 3.77:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #6B5DAB text on white | 5.55:1 | AA | Lc 77.6 | Fine for body text |
| #6B5DAB text on black | 3.77:1 | AA large text | Lc -24.1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D8D6EC
oklch(88.4% 0.03 289.9)
-
Step 300
300
#BFBBE2
oklch(80.8% 0.055 289.8)
-
Step 400
400
#9F98D3
oklch(70.7% 0.086 289.5)
-
Step 500
500
#897DC8
oklch(63.1% 0.111 290.2)
-
Step 600
600 (this color)
#6B5DAB
oklch(52.8% 0.12 289.9)
-
Step 700
700
#61549B
oklch(49.2% 0.111 290.1)
-
Step 800
800
#4F457E
oklch(42.8% 0.093 290)
-
Step 900
900
#413A65
oklch(37.6% 0.072 289.9)
-
Step 950
950
#26223B
oklch(26.9% 0.046 290.3)
#6B5DAB 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) | #426AAE | 0.060 |
| Deuteranopia (no green cones) | #4366A9 | 0.057 |
| Tritanopia (no blue cones) | #5A6C7C | 0.099 |
| Achromatopsia (no color) | #686868 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5DAB
#6B5DAB
oklch(52.8% 0.12 289.9)
- #707000
#707000
oklch(52.8% 0.115 109.8)
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 #6B5DAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.060
- French Blue #436BAD ΔE 0.061
- Dark Lavender #856798 ΔE 0.064
- Dusky Blue #475F94 ΔE 0.066
Use #6B5DAB 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.