#6F73BF
Closest named color: Deep Lilac (#966EBD). oklch(58.6% 0.116 279.9), rgb(111, 115, 191).
Aa
Black text reads best on this color (4.88:1).
About this color
#6F73BF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.116 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Lilac (#966EBD), ΔE 0.060 away. Black text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Deep Lilac (#966EBD) |
| Black text | 4.88:1 |
| White text | 4.30:1 |
Values
| HEX | #6F73BF |
| RGB | rgb(111, 115, 191) |
| HSL | hsl(237, 38%, 59%) |
| OKLCH | oklch(58.6% 0.116 279.9) |
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 #6F73BF | 4.30:1 | AA large text | Lc -75.2 | Fine for body text |
| Black text on #6F73BF | 4.88:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #6F73BF text on white | 4.30:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #6F73BF text on black | 4.88:1 | AA | Lc -32.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D5D8EC
oklch(88.6% 0.028 279)
-
Step 300
300
#B9BEE2
oklch(80.9% 0.051 279)
-
Step 400
400
#969BD4
oklch(70.7% 0.083 280.1)
-
Step 500
500
#7D82C9
oklch(63.2% 0.106 279.8)
-
Step 600
600 (this color)
#6F73BF
oklch(58.6% 0.116 279.9)
-
Step 700
700
#55589C
oklch(49% 0.108 279.7)
-
Step 800
800
#46487F
oklch(42.7% 0.09 280.3)
-
Step 900
900
#3A3D66
oklch(37.7% 0.07 279.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#6F73BF 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) | #587DC2 | 0.036 |
| Deuteranopia (no green cones) | #5377BD | 0.037 |
| Tritanopia (no blue cones) | #568290 | 0.100 |
| Achromatopsia (no color) | #7A7A7A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6F73BF
#6F73BF
oklch(58.6% 0.116 279.9)
- #8C7D15
#8C7D15
oklch(58.6% 0.116 100.3)
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 #6F73BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lilac #966EBD ΔE 0.060
- Windows Blue #3778BF ΔE 0.062
- Cool Blue #4984B8 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.065
- Steel Blue #4682B4 ΔE 0.065
- Off Blue #5684AE ΔE 0.065
- Deep Lavender #8D5EB7 ΔE 0.066
- Dark Lavender #856798 ΔE 0.068
Use #6F73BF 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.