#6A6FDD
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.2% 0.164 278.2), rgb(106, 111, 221).
Aa
Black text reads best on this color (4.93:1).
About this color
#6A6FDD is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.164 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.039 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #6A6FDD |
| RGB | rgb(106, 111, 221) |
| HSL | hsl(237, 63%, 64%) |
| OKLCH | oklch(59.2% 0.164 278.2) |
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 #6A6FDD | 4.25:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #6A6FDD | 4.93:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #6A6FDD text on white | 4.25:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #6A6FDD text on black | 4.93:1 | AA | Lc -32.5 | 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 600.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BDF1
oklch(81% 0.074 277.8)
-
Step 400
400
#9099E9
oklch(70.8% 0.117 278.1)
-
Step 500
500
#767DE3
oklch(63.1% 0.152 278.2)
-
Step 600
600 (this color)
#6A6FDD
oklch(59.2% 0.164 278.2)
-
Step 700
700
#5052B5
oklch(49.1% 0.153 278.3)
-
Step 800
800
#414492
oklch(42.7% 0.126 278)
-
Step 900
900
#373A75
oklch(37.8% 0.099 278.3)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#6A6FDD 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) | #397FE1 | 0.060 |
| Deuteranopia (no green cones) | #2C76DB | 0.063 |
| Tritanopia (no blue cones) | #38879C | 0.143 |
| Achromatopsia (no color) | #7B7B7B | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A6FDD
#6A6FDD
oklch(59.2% 0.164 278.2)
- #917E00
#917E00
oklch(59.3% 0.123 98.6)
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 #6A6FDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.042
- Cornflower #6A79F7 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.054
- Royal Blue #4169E1 ΔE 0.054
- Medium Purple #9370DB ΔE 0.063
- Soft Blue #6488EA ΔE 0.063
Use #6A6FDD 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.