#6858EA
Closest named color: Dark Periwinkle (#665FD1). oklch(56% 0.211 282.1), rgb(104, 88, 234).
Aa
White text reads best on this color (5.03:1).
About this color
#6858EA is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.211 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.042 away. White text reads best on it, at 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.211) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #6858EA |
| RGB | rgb(104, 88, 234) |
| HSL | hsl(247, 78%, 63%) |
| OKLCH | oklch(56% 0.211 282.1) |
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 #6858EA | 5.03:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #6858EA | 4.17:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #6858EA text on white | 5.03:1 | AA | Lc 74.3 | Content text, not long reading |
| #6858EA text on black | 4.17:1 | AA large text | Lc -27.4 | 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 600.
-
Step 50
50
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D3D6FC
oklch(88.6% 0.052 281.7)
-
Step 300
300
#B6B9FD
oklch(80.8% 0.096 282.1)
-
Step 400
400
#9392FC
oklch(70.7% 0.153 282.2)
-
Step 500
500
#7B73F9
oklch(63.1% 0.194 282)
-
Step 600
600 (this color)
#6858EA
oklch(56% 0.211 282.1)
-
Step 700
700
#5645CA
oklch(49% 0.197 282.1)
-
Step 800
800
#463AA3
oklch(42.6% 0.162 282.2)
-
Step 900
900
#3A3482
oklch(37.8% 0.127 281.9)
-
Step 950
950
#221F4C
oklch(27% 0.081 282.6)
#6858EA 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) | #0074EF | 0.093 |
| Deuteranopia (no green cones) | #006AE7 | 0.087 |
| Tritanopia (no blue cones) | #267C99 | 0.179 |
| Achromatopsia (no color) | #6F6F6F | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6858EA
#6858EA
oklch(56% 0.211 282.1)
- #837600
#837600
oklch(56% 0.117 101.7)
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 #6858EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.043
- Slate Blue #6A5ACD ΔE 0.045
- Warm Blue #4B57DB ΔE 0.047
- Neon Blue #4361EE ΔE 0.049
- Medium Slate Blue #7B68EE ΔE 0.049
- Purpley #8756E4 ΔE 0.051
- Iris #6258C4 ΔE 0.059
Use #6858EA 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.