#6B6BF8
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.5% 0.205 278.3), rgb(107, 107, 248).
Aa
Black text reads best on this color (5.08:1).
About this color
#6B6BF8 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.205 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.027 away. Black text reads best on it, at 5.08:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.08:1 |
| White text | 4.13:1 |
Values
| HEX | #6B6BF8 |
| RGB | rgb(107, 107, 248) |
| HSL | hsl(240, 91%, 70%) |
| OKLCH | oklch(60.5% 0.205 278.3) |
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 #6B6BF8 | 4.13:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #6B6BF8 | 5.08:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #6B6BF8 text on white | 4.13:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #6B6BF8 text on black | 5.08:1 | AA | Lc -33.7 | 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 500.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FE
oklch(93.5% 0.03 279.6)
-
Step 200
200
#D0D6FE
oklch(88.4% 0.055 278.5)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500 (this color)
#6B6BF8
oklch(60.5% 0.205 278.3)
-
Step 600
600
#5E57F1
oklch(55.7% 0.223 278.3)
-
Step 700
700
#4E45D2
oklch(49.1% 0.208 278.3)
-
Step 800
800
#3F3AA9
oklch(42.6% 0.172 278.2)
-
Step 900
900
#353486
oklch(37.7% 0.134 278.4)
-
Step 950
950
#1E1F4E
oklch(26.9% 0.085 278.1)
#6B6BF8 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) | #0083FD | 0.084 |
| Deuteranopia (no green cones) | #0077F5 | 0.078 |
| Tritanopia (no blue cones) | #118CA7 | 0.178 |
| Achromatopsia (no color) | #7D7D7D | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B6BF8
#6B6BF8
oklch(60.5% 0.205 278.3)
- #958100
#958100
oklch(60.3% 0.125 98.3)
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 #6B6BF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.027
- Cornflower #6A79F7 ΔE 0.033
- Neon Blue #4361EE ΔE 0.060
- Royal Blue #4169E1 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.064
- Purpley #8756E4 ΔE 0.065
- Clear Blue #247AFD ΔE 0.069
- Light Indigo #6D5ACF ΔE 0.071
Use #6B6BF8 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.