#6B5DA9
Closest named color: Iris (#6258C4). oklch(52.7% 0.117 290.3), rgb(107, 93, 169).
Aa
White text reads best on this color (5.57:1).
About this color
#6B5DA9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.117 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 5.57:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #6B5DA9 |
| RGB | rgb(107, 93, 169) |
| HSL | hsl(251, 31%, 51%) |
| OKLCH | oklch(52.7% 0.117 290.3) |
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 #6B5DA9 | 5.57:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #6B5DA9 | 3.76:1 | AA large text | Lc 26.3 | Dividers and decoration only |
| #6B5DA9 text on white | 5.57:1 | AA | Lc 77.8 | Fine for body text |
| #6B5DA9 text on black | 3.76:1 | AA large text | Lc -24.0 | 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
#C0BBE1
oklch(80.9% 0.053 291.2)
-
Step 400
400
#A098D2
oklch(70.8% 0.084 290.4)
-
Step 500
500
#897DC6
oklch(63% 0.108 290.5)
-
Step 600
600 (this color)
#6B5DA9
oklch(52.7% 0.117 290.3)
-
Step 700
700
#61549A
oklch(49.1% 0.11 290.3)
-
Step 800
800
#4F457C
oklch(42.7% 0.09 290.4)
-
Step 900
900
#413A64
oklch(37.6% 0.071 290.2)
-
Step 950
950
#26223B
oklch(26.9% 0.046 290.3)
#6B5DA9 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) | #4369AC | 0.059 |
| Deuteranopia (no green cones) | #4466A7 | 0.056 |
| Tritanopia (no blue cones) | #5B6C7B | 0.098 |
| Achromatopsia (no color) | #686868 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5DA9
#6B5DA9
oklch(52.7% 0.117 290.3)
- #6F7000
#6F7000
oklch(52.7% 0.115 110.4)
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 #6B5DA9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.058
- French Blue #436BAD ΔE 0.061
- Light Indigo #6D5ACF ΔE 0.061
- Deep Lavender #8D5EB7 ΔE 0.061
- Dark Lavender #856798 ΔE 0.062
- Dark Periwinkle #665FD1 ΔE 0.062
- Muted Purple #805B87 ΔE 0.063
Use #6B5DA9 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.