#6B6CFF
Closest named color: Cornflower (#6A79F7). oklch(61.2% 0.213 277.8), rgb(107, 108, 255).
Aa
Black text reads best on this color (5.21:1).
About this color
#6B6CFF is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.213 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.033 away. Black text reads best on it, at 5.21:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #6B6CFF |
| RGB | rgb(107, 108, 255) |
| HSL | hsl(240, 100%, 71%) |
| OKLCH | oklch(61.2% 0.213 277.8) |
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 #6B6CFF | 4.02:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #6B6CFF | 5.21:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #6B6CFF text on white | 4.02:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #6B6CFF text on black | 5.21:1 | AA | Lc -34.5 | 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 500.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8B94FF
oklch(70.6% 0.155 278)
-
Step 500
500 (this color)
#6B6CFF
oklch(61.2% 0.213 277.8)
-
Step 600
600
#5C55F6
oklch(55.7% 0.232 277.7)
-
Step 700
700
#4D43D6
oklch(49.1% 0.215 277.9)
-
Step 800
800
#3E39AD
oklch(42.7% 0.178 277.6)
-
Step 900
900
#343389
oklch(37.7% 0.139 277.9)
-
Step 950
950
#1E1F50
oklch(27% 0.088 277.9)
#6B6CFF 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) | #0085FF | 0.084 |
| Deuteranopia (no green cones) | #0078FC | 0.077 |
| Tritanopia (no blue cones) | #008FAB | 0.184 |
| Achromatopsia (no color) | #7F7F7F | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B6CFF
#6B6CFF
oklch(61.2% 0.213 277.8)
- #988300
#988300
oklch(61.1% 0.126 97.8)
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 #6B6CFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.033
- Medium Slate Blue #7B68EE ΔE 0.034
- Neon Blue #4361EE ΔE 0.065
- Clear Blue #247AFD ΔE 0.068
- Royal Blue #4169E1 ΔE 0.070
- Purpley #8756E4 ΔE 0.071
- Dark Periwinkle #665FD1 ΔE 0.075
- Periwinkle #8E82FE ΔE 0.076
Use #6B6CFF 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.