#6F6FEE
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.7% 0.186 279.3), rgb(111, 111, 238).
Aa
Black text reads best on this color (5.18:1).
About this color
#6F6FEE is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.186 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.022 away. Black text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #6F6FEE |
| RGB | rgb(111, 111, 238) |
| HSL | hsl(240, 79%, 68%) |
| OKLCH | oklch(60.7% 0.186 279.3) |
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 #6F6FEE | 4.05:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #6F6FEE | 5.18:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #6F6FEE text on white | 4.05:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #6F6FEE text on black | 5.18:1 | AA | Lc -34.2 | 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
#D1D6FB
oklch(88.4% 0.051 279.2)
-
Step 300
300
#B4BBFB
oklch(80.9% 0.091 279.3)
-
Step 400
400
#8F95F9
oklch(70.8% 0.145 279.4)
-
Step 500
500 (this color)
#6F6FEE
oklch(60.7% 0.186 279.3)
-
Step 600
600
#615BE5
oklch(55.6% 0.203 279.5)
-
Step 700
700
#504AC7
oklch(49.1% 0.188 279.1)
-
Step 800
800
#413DA1
oklch(42.6% 0.157 279.2)
-
Step 900
900
#373680
oklch(37.8% 0.122 279.5)
-
Step 950
950
#20204B
oklch(27% 0.078 279.9)
#6F6FEE 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) | #2283F2 | 0.078 |
| Deuteranopia (no green cones) | #0179EB | 0.083 |
| Tritanopia (no blue cones) | #348CA4 | 0.162 |
| Achromatopsia (no color) | #7E7E7E | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F6FEE
#6F6FEE
oklch(60.7% 0.186 279.3)
- #958300
#958300
oklch(60.8% 0.126 99.6)
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 #6F6FEE, closest first.
No curated palette has a color within ΔE 0.04 of #6F6FEE.
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 0.026
- Dark Periwinkle #665FD1 ΔE 0.058
- Medium Purple #9370DB ΔE 0.062
- Soft Blue #6488EA ΔE 0.063
- Purpley #8756E4 ΔE 0.063
- Royal Blue #4169E1 ΔE 0.064
- Light Indigo #6D5ACF ΔE 0.065
Use #6F6FEE 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.