#6B68E8
Closest named color: Medium Slate Blue (#7B68EE). oklch(58.8% 0.188 279.9), rgb(107, 104, 232).
Aa
Black text reads best on this color (4.77:1).
About this color
#6B68E8 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.188 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.025 away. Black text reads best on it, at 4.77:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.188) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.77:1 |
| White text | 4.40:1 |
Values
| HEX | #6B68E8 |
| RGB | rgb(107, 104, 232) |
| HSL | hsl(241, 74%, 66%) |
| OKLCH | oklch(58.8% 0.188 279.9) |
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 #6B68E8 | 4.40:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #6B68E8 | 4.77:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #6B68E8 text on white | 4.40:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #6B68E8 text on black | 4.77:1 | AA | Lc -31.5 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6F9
oklch(88.4% 0.048 280.2)
-
Step 300
300
#B5BBF7
oklch(80.9% 0.085 279.9)
-
Step 400
400
#9196F3
oklch(70.8% 0.135 280)
-
Step 500
500
#7878EF
oklch(63.1% 0.174 280.2)
-
Step 600
600 (this color)
#6B68E8
oklch(58.8% 0.188 279.9)
-
Step 700
700
#524CC0
oklch(49% 0.176 280)
-
Step 800
800
#433F9B
oklch(42.6% 0.145 280.2)
-
Step 900
900
#38377B
oklch(37.7% 0.113 280.2)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#6B68E8 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) | #097DEC | 0.083 |
| Deuteranopia (no green cones) | #0073E5 | 0.082 |
| Tritanopia (no blue cones) | #30859E | 0.162 |
| Achromatopsia (no color) | #787878 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B68E8
#6B68E8
oklch(58.8% 0.188 279.9)
- #8E7D00
#8E7D00
oklch(58.7% 0.122 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 #6B68E8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.025
- Dark Periwinkle #665FD1 ΔE 0.041
- Cornflower #6A79F7 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.051
- Royal Blue #4169E1 ΔE 0.053
- Purpley #8756E4 ΔE 0.055
- Neon Blue #4361EE ΔE 0.056
Use #6B68E8 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.