#6D6FDF
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.6% 0.167 279.3), rgb(109, 111, 223).
Aa
Black text reads best on this color (4.98:1).
About this color
#6D6FDF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.167 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.035 away. Black text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.98:1 |
| White text | 4.20:1 |
Values
| HEX | #6D6FDF |
| RGB | rgb(109, 111, 223) |
| HSL | hsl(239, 64%, 65%) |
| OKLCH | oklch(59.6% 0.167 279.3) |
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 #6D6FDF | 4.20:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #6D6FDF | 4.98:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #6D6FDF text on white | 4.20:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #6D6FDF text on black | 4.98:1 | AA | Lc -32.9 | 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
#B5BCF5
oklch(81% 0.081 279)
-
Step 400
400
#9097F0
oklch(70.8% 0.13 279.1)
-
Step 500
500 (this color)
#6D6FDF
oklch(59.6% 0.167 279.3)
-
Step 600
600
#6160D9
oklch(55.6% 0.181 279.1)
-
Step 700
700
#514EBD
oklch(49.1% 0.169 279.3)
-
Step 800
800
#424198
oklch(42.7% 0.139 279.3)
-
Step 900
900
#373879
oklch(37.7% 0.108 279.2)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#6D6FDF 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) | #3880E3 | 0.064 |
| Deuteranopia (no green cones) | #2C77DD | 0.067 |
| Tritanopia (no blue cones) | #3E889D | 0.145 |
| Achromatopsia (no color) | #7B7B7B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6FDF
#6D6FDF
oklch(59.6% 0.167 279.3)
- #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 #6D6FDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.035
- Cornflower #6A79F7 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.045
- Light Indigo #6D5ACF ΔE 0.054
- Slate Blue #6A5ACD ΔE 0.056
- Royal Blue #4169E1 ΔE 0.058
- Medium Purple #9370DB ΔE 0.059
- Soft Blue #6488EA ΔE 0.062
Use #6D6FDF 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.