#6D6FDC
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.4% 0.162 279.4), rgb(109, 111, 220).
Aa
Black text reads best on this color (4.95:1).
About this color
#6D6FDC is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.162 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.038 away. Black text reads best on it, at 4.95:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.162) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.95:1 |
| White text | 4.23:1 |
Values
| HEX | #6D6FDC |
| RGB | rgb(109, 111, 220) |
| HSL | hsl(239, 61%, 65%) |
| OKLCH | oklch(59.4% 0.162 279.4) |
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 #6D6FDC | 4.23:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #6D6FDC | 4.95:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #6D6FDC text on white | 4.23:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #6D6FDC text on black | 4.95:1 | AA | Lc -32.6 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300
#B5BCF4
oklch(80.9% 0.079 278.9)
-
Step 400
400
#9197EE
oklch(70.7% 0.127 279.6)
-
Step 500
500 (this color)
#6D6FDC
oklch(59.4% 0.162 279.4)
-
Step 600
600
#6261D7
oklch(55.7% 0.176 279.4)
-
Step 700
700
#514FBA
oklch(49% 0.164 279.3)
-
Step 800
800
#424197
oklch(42.6% 0.137 279.4)
-
Step 900
900
#383878
oklch(37.7% 0.106 280)
-
Step 950
950
#202246
oklch(27.1% 0.066 278.6)
#6D6FDC 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) | #3B7FE0 | 0.062 |
| Deuteranopia (no green cones) | #3077DA | 0.065 |
| Tritanopia (no blue cones) | #40879B | 0.142 |
| Achromatopsia (no color) | #7B7B7B | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6FDC
#6D6FDC
oklch(59.4% 0.162 279.4)
- #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 #6D6FDC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.043
- Cornflower #6A79F7 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.054
- Royal Blue #4169E1 ΔE 0.058
- Medium Purple #9370DB ΔE 0.058
- Soft Blue #6488EA ΔE 0.063
Use #6D6FDC 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.