#7666BC
Closest named color: Deep Lavender (#8D5EB7). oklch(56.5% 0.13 290.2), rgb(118, 102, 188).
Aa
White text reads best on this color (4.77:1).
About this color
#7666BC is a medium-dark, moderately saturated purple. In OKLCH its lightness is 56%, its chroma 0.130 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.041 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #7666BC |
| RGB | rgb(118, 102, 188) |
| HSL | hsl(251, 39%, 57%) |
| OKLCH | oklch(56.5% 0.13 290.2) |
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 #7666BC | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #7666BC | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #7666BC text on white | 4.77:1 | AA | Lc 73.0 | Content text, not long reading |
| #7666BC text on black | 4.39:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#BFBBE4
oklch(80.9% 0.057 289.5)
-
Step 400
400
#A097D7
oklch(70.8% 0.093 290.3)
-
Step 500
500
#897CCC
oklch(63.1% 0.119 290)
-
Step 600
600 (this color)
#7666BC
oklch(56.5% 0.13 290.2)
-
Step 700
700
#6152A0
oklch(49.1% 0.122 290)
-
Step 800
800
#4F4481
oklch(42.8% 0.099 289.9)
-
Step 900
900
#413968
oklch(37.6% 0.079 289.9)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#7666BC 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) | #4874BF | 0.066 |
| Deuteranopia (no green cones) | #4971BA | 0.064 |
| Tritanopia (no blue cones) | #647788 | 0.108 |
| Achromatopsia (no color) | #737373 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7666BC
#7666BC
oklch(56.5% 0.13 290.2)
- #7B7B00
#7B7B00
oklch(56.4% 0.123 109.8)
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 #7666BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.048
- Slate Blue #6A5ACD ΔE 0.048
- Iris #6258C4 ΔE 0.053
- Deep Lilac #966EBD ΔE 0.058
- Dark Lavender #856798 ΔE 0.062
- Amethyst #9B5FC0 ΔE 0.063
Use #7666BC 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.