#6E51B0
Closest named color: Iris (#6258C4). oklch(51.2% 0.146 294.8), rgb(110, 81, 176).
Aa
White text reads best on this color (6.05:1).
About this color
#6E51B0 is a medium-dark, vivid purple. In OKLCH its lightness is 51%, its chroma 0.146 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.038 away. White text reads best on it, at 6.05:1.
| Hue family | Purples |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.46:1 |
| White text | 6.05:1 |
Values
| HEX | #6E51B0 |
| RGB | rgb(110, 81, 176) |
| HSL | hsl(258, 38%, 50%) |
| OKLCH | oklch(51.2% 0.146 294.8) |
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 #6E51B0 | 6.05:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #6E51B0 | 3.46:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #6E51B0 text on white | 6.05:1 | AA | Lc 80.0 | Fine for body text |
| #6E51B0 text on black | 3.46:1 | AA large text | Lc -21.8 | 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
#EAE7F6
oklch(93.5% 0.02 295.2)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EA
oklch(80.8% 0.071 294.9)
-
Step 400
400
#A592E0
oklch(70.7% 0.113 294.5)
-
Step 500
500
#9075D7
oklch(63.1% 0.145 294.6)
-
Step 600
600
#7B5CC4
oklch(55.6% 0.156 294.5)
-
Step 700
700 (this color)
#6E51B0
oklch(51.2% 0.146 294.8)
-
Step 800
800
#553E89
oklch(42.7% 0.12 294.9)
-
Step 900
900
#46356E
oklch(37.7% 0.095 295.2)
-
Step 950
950
#292040
oklch(27.1% 0.059 295.2)
#6E51B0 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) | #2863B3 | 0.093 |
| Deuteranopia (no green cones) | #3061AE | 0.087 |
| Tritanopia (no blue cones) | #5E6479 | 0.115 |
| Achromatopsia (no color) | #626262 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E51B0
#6E51B0
oklch(51.2% 0.146 294.8)
- #656D00
#656D00
oklch(51% 0.115 114.7)
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 #6E51B0, closest first.
No curated palette has a color within ΔE 0.04 of #6E51B0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.038
- Slate Blue #6A5ACD ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.077
- Blue With A Hint Of Purple #533CC6 ΔE 0.079
Use #6E51B0 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.