#7F66BF
Closest named color: Deep Lavender (#8D5EB7). oklch(57.4% 0.134 294.7), rgb(127, 102, 191).
Aa
White text reads best on this color (4.61:1).
About this color
#7F66BF is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.134 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.030 away. White text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #7F66BF |
| RGB | rgb(127, 102, 191) |
| HSL | hsl(257, 41%, 57%) |
| OKLCH | oklch(57.4% 0.134 294.7) |
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 #7F66BF | 4.61:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #7F66BF | 4.55:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #7F66BF text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #7F66BF text on black | 4.55:1 | AA | Lc -29.8 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#DAD5EE
oklch(88.5% 0.034 294.9)
-
Step 300
300
#C3BAE4
oklch(81% 0.059 294.9)
-
Step 400
400
#A495D7
oklch(70.7% 0.096 294.2)
-
Step 500
500
#8F79CC
oklch(63.1% 0.124 294.8)
-
Step 600
600 (this color)
#7F66BF
oklch(57.4% 0.134 294.7)
-
Step 700
700
#674F9F
oklch(49.1% 0.125 295.2)
-
Step 800
800
#544181
oklch(42.7% 0.104 295.3)
-
Step 900
900
#453868
oklch(37.8% 0.081 294.7)
-
Step 950
950
#28213D
oklch(27% 0.052 294.2)
#7F66BF 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) | #4876C2 | 0.079 |
| Deuteranopia (no green cones) | #4D74BD | 0.074 |
| Tritanopia (no blue cones) | #707789 | 0.109 |
| Achromatopsia (no color) | #757575 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7F66BF
#7F66BF
oklch(57.4% 0.134 294.7)
- #778100
#778100
oklch(57.5% 0.13 115.1)
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 #7F66BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.030
- Deep Lilac #966EBD ΔE 0.046
- Amethyst #9B5FC0 ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.052
- Slate Blue #6A5ACD ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.054
- Medium Purple #9370DB ΔE 0.058
- Iris #6258C4 ΔE 0.062
Use #7F66BF 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.