#6B6EEC
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.1% 0.186 278.2), rgb(107, 110, 236).
Aa
Black text reads best on this color (5.06:1).
About this color
#6B6EEC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.186 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.026 away. Black text reads best on it, at 5.06:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #6B6EEC |
| RGB | rgb(107, 110, 236) |
| HSL | hsl(239, 77%, 67%) |
| OKLCH | oklch(60.1% 0.186 278.2) |
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 #6B6EEC | 4.14:1 | AA large text | Lc -73.7 | Content text, not long reading |
| Black text on #6B6EEC | 5.06:1 | AA | Lc 35.9 | Non-text elements, placeholder text |
| #6B6EEC text on white | 4.14:1 | AA large text | Lc 68.2 | Content text, not long reading |
| #6B6EEC text on black | 5.06:1 | AA | Lc -33.5 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D1D7FB
oklch(88.6% 0.05 277.9)
-
Step 300
300
#B3BBFB
oklch(80.9% 0.091 278.6)
-
Step 400
400
#8D95F9
oklch(70.6% 0.145 278.5)
-
Step 500
500 (this color)
#6B6EEC
oklch(60.1% 0.186 278.2)
-
Step 600
600
#5E5CE5
oklch(55.6% 0.202 278.2)
-
Step 700
700
#4E4BC7
oklch(49.1% 0.187 278.1)
-
Step 800
800
#403EA1
oklch(42.7% 0.156 278.4)
-
Step 900
900
#353680
oklch(37.6% 0.122 278.2)
-
Step 950
950
#1F214B
oklch(27.1% 0.076 278)
#6B6EEC 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) | #2082F0 | 0.075 |
| Deuteranopia (no green cones) | #0077E9 | 0.078 |
| Tritanopia (no blue cones) | #2A8BA2 | 0.163 |
| Achromatopsia (no color) | #7D7D7D | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B6EEC
#6B6EEC
oklch(60.1% 0.186 278.2)
- #948000
#948000
oklch(60% 0.124 98.2)
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 #6B6EEC, closest first.
No curated palette has a color within ΔE 0.04 of #6B6EEC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.026
- Cornflower #6A79F7 ΔE 0.029
- Dark Periwinkle #665FD1 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.057
- Light Indigo #6D5ACF ΔE 0.061
- Neon Blue #4361EE ΔE 0.062
- Slate Blue #6A5ACD ΔE 0.064
- Purpley #8756E4 ΔE 0.064
Use #6B6EEC 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.