#6866EA
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.4% 0.194 279.2), rgb(104, 102, 234).
Aa
Black text reads best on this color (4.67:1).
About this color
#6866EA is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.194 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.030 away. Black text reads best on it, at 4.67:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.194) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.67:1 |
| White text | 4.48:1 |
Values
| HEX | #6866EA |
| RGB | rgb(104, 102, 234) |
| HSL | hsl(241, 76%, 66%) |
| OKLCH | oklch(58.4% 0.194 279.2) |
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 #6866EA | 4.48:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #6866EA | 4.67:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #6866EA text on white | 4.48:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #6866EA text on black | 4.67:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FB
oklch(93.7% 0.024 278.4)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B4BBF9
oklch(80.9% 0.088 279.2)
-
Step 400
400
#8F96F6
oklch(70.8% 0.139 279)
-
Step 500
500
#7678F2
oklch(63.1% 0.179 279.3)
-
Step 600
600 (this color)
#6866EA
oklch(58.4% 0.194 279.2)
-
Step 700
700
#504CC3
oklch(49.1% 0.18 278.9)
-
Step 800
800
#423F9E
oklch(42.8% 0.15 279.4)
-
Step 900
900
#37377D
oklch(37.8% 0.116 279.3)
-
Step 950
950
#202149
oklch(27.1% 0.073 279.3)
#6866EA 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) | #007CEE | 0.083 |
| Deuteranopia (no green cones) | #0072E7 | 0.079 |
| Tritanopia (no blue cones) | #23859E | 0.168 |
| Achromatopsia (no color) | #777777 | 0.194 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6866EA
#6866EA
oklch(58.4% 0.194 279.2)
- #8D7C00
#8D7C00
oklch(58.4% 0.121 99.7)
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 #6866EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.030
- Dark Periwinkle #665FD1 ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.048
- Cornflower #6A79F7 ΔE 0.048
- Royal Blue #4169E1 ΔE 0.049
- Neon Blue #4361EE ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.050
- Purpley #8756E4 ΔE 0.056
Use #6866EA 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.