#6D6DE1
Closest named color: Medium Slate Blue (#7B68EE). oklch(59.4% 0.172 279.8), rgb(109, 109, 225).
Aa
Black text reads best on this color (4.92:1).
About this color
#6D6DE1 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.172 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.031 away. Black text reads best on it, at 4.92:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.172) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 4.92:1 |
| White text | 4.26:1 |
Values
| HEX | #6D6DE1 |
| RGB | rgb(109, 109, 225) |
| HSL | hsl(240, 66%, 65%) |
| OKLCH | oklch(59.4% 0.172 279.8) |
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 #6D6DE1 | 4.26:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #6D6DE1 | 4.92:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #6D6DE1 text on white | 4.26:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #6D6DE1 text on black | 4.92:1 | 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 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
#D2D6F8
oklch(88.4% 0.047 280.1)
-
Step 300
300
#B5BBF7
oklch(80.9% 0.085 279.9)
-
Step 400
400
#9096F3
oklch(70.7% 0.135 279.5)
-
Step 500
500 (this color)
#6D6DE1
oklch(59.4% 0.172 279.8)
-
Step 600
600
#625EDC
oklch(55.5% 0.187 279.8)
-
Step 700
700
#524DBF
oklch(49.1% 0.173 279.9)
-
Step 800
800
#43409B
oklch(42.8% 0.144 279.9)
-
Step 900
900
#38377B
oklch(37.7% 0.113 280.2)
-
Step 950
950
#202148
oklch(27% 0.071 279.4)
#6D6DE1 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) | #307FE5 | 0.070 |
| Deuteranopia (no green cones) | #2276DF | 0.073 |
| Tritanopia (no blue cones) | #3C879D | 0.149 |
| Achromatopsia (no color) | #7A7A7A | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D6DE1
#6D6DE1
oklch(59.4% 0.172 279.8)
- #907F00
#907F00
oklch(59.4% 0.123 99.9)
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 #6D6DE1, closest first.
No curated palette has a color within ΔE 0.04 of #6D6DE1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.031
- Cornflower #6A79F7 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.053
- Royal Blue #4169E1 ΔE 0.056
- Medium Purple #9370DB ΔE 0.060
- Purpley #8756E4 ΔE 0.062
Use #6D6DE1 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.