#6E51A9
Closest named color: Iris (#6258C4). oklch(50.7% 0.136 296.4), rgb(110, 81, 169).
Aa
White text reads best on this color (6.15:1).
About this color
#6E51A9 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 51%, its chroma 0.136 and its hue 296°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.047 away. White text reads best on it, at 6.15:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #6E51A9 |
| RGB | rgb(110, 81, 169) |
| HSL | hsl(260, 35%, 49%) |
| OKLCH | oklch(50.7% 0.136 296.4) |
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 #6E51A9 | 6.15:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #6E51A9 | 3.41:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #6E51A9 text on white | 6.15:1 | AA | Lc 80.5 | Fine for body text |
| #6E51A9 text on black | 3.41:1 | AA large text | Lc -21.4 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD5EF
oklch(88.6% 0.036 296.2)
-
Step 300
300
#C4B8E7
oklch(80.8% 0.067 296.6)
-
Step 400
400
#A793DB
oklch(70.8% 0.105 296.4)
-
Step 500
500
#9276D1
oklch(63.1% 0.135 296.5)
-
Step 600
600
#7D5DBE
oklch(55.6% 0.147 296.5)
-
Step 700
700 (this color)
#6E51A9
oklch(50.7% 0.136 296.4)
-
Step 800
800
#563F85
oklch(42.7% 0.113 296.5)
-
Step 900
900
#47366A
oklch(37.7% 0.088 297.1)
-
Step 950
950
#29203E
oklch(27% 0.055 296.3)
#6E51A9 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) | #3062AC | 0.088 |
| Deuteranopia (no green cones) | #3760A7 | 0.082 |
| Tritanopia (no blue cones) | #616275 | 0.107 |
| Achromatopsia (no color) | #616161 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E51A9
#6E51A9
oklch(50.7% 0.136 296.4)
- #626D00
#626D00
oklch(50.8% 0.117 116.5)
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 #6E51A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.061
- Bluey Purple #6241C7 ΔE 0.066
- Deep Lavender #8D5EB7 ΔE 0.068
- Dark Periwinkle #665FD1 ΔE 0.068
- Twilight #4E518B ΔE 0.072
- Rebecca Purple #663399 ΔE 0.073
Use #6E51A9 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.