#6F71DF
Closest named color: Medium Slate Blue (#7B68EE). oklch(60.1% 0.164 279.5), rgb(111, 113, 223).
Aa
Black text reads best on this color (5.10:1).
About this color
#6F71DF is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.164 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.036 away. Black text reads best on it, at 5.10:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.164) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #6F71DF |
| RGB | rgb(111, 113, 223) |
| HSL | hsl(239, 64%, 65%) |
| OKLCH | oklch(60.1% 0.164 279.5) |
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 #6F71DF | 4.11:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #6F71DF | 5.10:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #6F71DF text on white | 4.11:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #6F71DF text on black | 5.10:1 | AA | Lc -33.6 | 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
#9197EF
oklch(70.8% 0.128 279.6)
-
Step 500
500 (this color)
#6F71DF
oklch(60.1% 0.164 279.5)
-
Step 600
600
#6260D7
oklch(55.5% 0.178 279.7)
-
Step 700
700
#514FBB
oklch(49.1% 0.165 279.2)
-
Step 800
800
#424197
oklch(42.6% 0.137 279.4)
-
Step 900
900
#383878
oklch(37.7% 0.106 280)
-
Step 950
950
#202146
oklch(26.8% 0.068 279.6)
#6F71DF 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) | #3D81E3 | 0.062 |
| Deuteranopia (no green cones) | #3279DD | 0.065 |
| Tritanopia (no blue cones) | #42899D | 0.143 |
| Achromatopsia (no color) | #7D7D7D | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F71DF
#6F71DF
oklch(60.1% 0.164 279.5)
- #938100
#938100
oklch(60.1% 0.125 99.4)
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 #6F71DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.036
- Cornflower #6A79F7 ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.050
- Medium Purple #9370DB ΔE 0.055
- Soft Blue #6488EA ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.058
- Slate Blue #6A5ACD ΔE 0.061
- Royal Blue #4169E1 ΔE 0.063
Use #6F71DF 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.