#6851C9
Closest named color: Iris (#6258C4). oklch(52.4% 0.178 287.4), rgb(104, 81, 201).
Aa
White text reads best on this color (5.81:1).
About this color
#6851C9 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.178 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.020 away. White text reads best on it, at 5.81:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.60:1 |
| White text | 5.81:1 |
Values
| HEX | #6851C9 |
| RGB | rgb(104, 81, 201) |
| HSL | hsl(252, 53%, 55%) |
| OKLCH | oklch(52.4% 0.178 287.4) |
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 #6851C9 | 5.81:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #6851C9 | 3.60:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #6851C9 text on white | 5.81:1 | AA | Lc 78.7 | Fine for body text |
| #6851C9 text on black | 3.60:1 | AA large text | Lc -23.1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D7D5F6
oklch(88.5% 0.045 288.2)
-
Step 300
300
#BDB9F2
oklch(80.9% 0.08 287.7)
-
Step 400
400
#9C93EC
oklch(70.7% 0.128 287.3)
-
Step 500
500
#8675E6
oklch(63.1% 0.165 287.6)
-
Step 600
600 (this color)
#6851C9
oklch(52.4% 0.178 287.4)
-
Step 700
700
#5F4AB8
oklch(49.2% 0.166 287.4)
-
Step 800
800
#4D3D95
oklch(42.6% 0.139 287.4)
-
Step 900
900
#403576
oklch(37.6% 0.107 287.9)
-
Step 950
950
#252045
oklch(27% 0.067 287.2)
#6851C9 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) | #0068CD | 0.098 |
| Deuteranopia (no green cones) | #0062C6 | 0.096 |
| Tritanopia (no blue cones) | #476D85 | 0.149 |
| Achromatopsia (no color) | #656565 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6851C9
#6851C9
oklch(52.4% 0.178 287.4)
- #716E00
#716E00
oklch(52.4% 0.113 107.8)
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 #6851C9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.020
- Slate Blue #6A5ACD ΔE 0.022
- Light Indigo #6D5ACF ΔE 0.024
- Dark Periwinkle #665FD1 ΔE 0.034
- Bluey Purple #6241C7 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.050
- Blue With A Hint Of Purple #533CC6 ΔE 0.060
- Blurple #5539CC ΔE 0.062
Use #6851C9 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.