#7B66C8
Closest named color: Deep Lavender (#8D5EB7). oklch(57.6% 0.147 290.9), rgb(123, 102, 200).
Aa
White text reads best on this color (4.58:1).
About this color
#7B66C8 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.147 and its hue 291°. 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 4.58:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.147) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #7B66C8 |
| RGB | rgb(123, 102, 200) |
| HSL | hsl(253, 47%, 59%) |
| OKLCH | oklch(57.6% 0.147 290.9) |
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 #7B66C8 | 4.58:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #7B66C8 | 4.57:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #7B66C8 text on white | 4.58:1 | AA | Lc 71.7 | Content text, not long reading |
| #7B66C8 text on black | 4.57:1 | AA | Lc -30.0 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D9D5F0
oklch(88.4% 0.037 292.4)
-
Step 300
300
#C0BAE9
oklch(81% 0.066 290.7)
-
Step 400
400
#A195DE
oklch(70.8% 0.106 291)
-
Step 500
500
#8B79D4
oklch(63.2% 0.134 291.1)
-
Step 600
600 (this color)
#7B66C8
oklch(57.6% 0.147 290.9)
-
Step 700
700
#634FA7
oklch(49.2% 0.136 291)
-
Step 800
800
#504187
oklch(42.7% 0.113 290.7)
-
Step 900
900
#42386C
oklch(37.7% 0.087 290.5)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#7B66C8 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) | #4077CB | 0.080 |
| Deuteranopia (no green cones) | #4373C6 | 0.076 |
| Tritanopia (no blue cones) | #677A8D | 0.122 |
| Achromatopsia (no color) | #757575 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B66C8
#7B66C8
oklch(57.6% 0.147 290.9)
- #7D7F00
#7D7F00
oklch(57.6% 0.126 110.9)
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 #7B66C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.042
- Slate Blue #6A5ACD ΔE 0.044
- Medium Purple #9370DB ΔE 0.054
- Deep Lilac #966EBD ΔE 0.055
- Amethyst #9B5FC0 ΔE 0.055
- Iris #6258C4 ΔE 0.055
Use #7B66C8 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.