#6C6AEC
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.5% 0.191 279.6), rgb(108, 106, 236).
Aa
Black text reads best on this color (4.91:1).
About this color
#6C6AEC is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.191 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.022 away. Black text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.191) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.91:1 |
| White text | 4.27:1 |
Values
| HEX | #6C6AEC |
| RGB | rgb(108, 106, 236) |
| HSL | hsl(241, 77%, 67%) |
| OKLCH | oklch(59.5% 0.191 279.6) |
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 #6C6AEC | 4.27:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #6C6AEC | 4.91:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #6C6AEC text on white | 4.27:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #6C6AEC text on black | 4.91:1 | AA | Lc -32.4 | 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
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B4BBFC
oklch(81% 0.092 279.4)
-
Step 400
400
#8F94FB
oklch(70.7% 0.149 279.8)
-
Step 500
500 (this color)
#6C6AEC
oklch(59.5% 0.191 279.6)
-
Step 600
600
#615AE8
oklch(55.7% 0.208 279.4)
-
Step 700
700
#5148C9
oklch(49% 0.193 279.7)
-
Step 800
800
#423CA3
oklch(42.7% 0.161 279.7)
-
Step 900
900
#373581
oklch(37.7% 0.124 279.8)
-
Step 950
950
#20204C
oklch(27.1% 0.079 279.7)
#6C6AEC 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) | #097FF0 | 0.083 |
| Deuteranopia (no green cones) | #0075E9 | 0.082 |
| Tritanopia (no blue cones) | #2E88A1 | 0.165 |
| Achromatopsia (no color) | #7A7A7A | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C6AEC
#6C6AEC
oklch(59.5% 0.191 279.6)
- #917F00
#917F00
oklch(59.5% 0.123 99.3)
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 #6C6AEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.022
- Cornflower #6A79F7 ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.055
- Royal Blue #4169E1 ΔE 0.056
- Purpley #8756E4 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.058
- Neon Blue #4361EE ΔE 0.059
Use #6C6AEC 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.