#6B5EB0
Closest named color: Iris (#6258C4). oklch(53.3% 0.125 288.7), rgb(107, 94, 176).
Aa
White text reads best on this color (5.45:1).
About this color
#6B5EB0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 53%, its chroma 0.125 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.040 away. White text reads best on it, at 5.45:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #6B5EB0 |
| RGB | rgb(107, 94, 176) |
| HSL | hsl(250, 34%, 53%) |
| OKLCH | oklch(53.3% 0.125 288.7) |
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 #6B5EB0 | 5.45:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #6B5EB0 | 3.85:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #6B5EB0 text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #6B5EB0 text on black | 3.85:1 | AA large text | Lc -24.7 | 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
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BFBBE4
oklch(80.9% 0.057 289.5)
-
Step 400
400
#9E98D6
oklch(70.8% 0.09 288.3)
-
Step 500
500
#877DCB
oklch(63.1% 0.116 288.5)
-
Step 600
600 (this color)
#6B5EB0
oklch(53.3% 0.125 288.7)
-
Step 700
700
#5F539E
oklch(49% 0.117 288.7)
-
Step 800
800
#4E4580
oklch(42.8% 0.096 288.7)
-
Step 900
900
#403A67
oklch(37.6% 0.076 288.3)
-
Step 950
950
#26223C
oklch(27% 0.048 289.9)
#6B5EB0 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) | #406BB3 | 0.061 |
| Deuteranopia (no green cones) | #4068AE | 0.060 |
| Tritanopia (no blue cones) | #586E7E | 0.105 |
| Achromatopsia (no color) | #696969 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B5EB0
#6B5EB0
oklch(53.3% 0.125 288.7)
- #737100
#737100
oklch(53.3% 0.115 108.5)
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 #6B5EB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.051
- Dark Periwinkle #665FD1 ΔE 0.052
- Deep Lavender #8D5EB7 ΔE 0.058
- French Blue #436BAD ΔE 0.061
- Dark Lavender #856798 ΔE 0.067
- Dusky Blue #475F94 ΔE 0.070
Use #6B5EB0 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.