#7640B8
Closest named color: Bluey Purple (#6241C7). oklch(49.9% 0.181 300.6), rgb(118, 64, 184).
Aa
White text reads best on this color (6.57:1).
About this color
#7640B8 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.181 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.044 away. White text reads best on it, at 6.57:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #7640B8 |
| RGB | rgb(118, 64, 184) |
| HSL | hsl(267, 48%, 49%) |
| OKLCH | oklch(49.9% 0.181 300.6) |
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 #7640B8 | 6.57:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #7640B8 | 3.19:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #7640B8 text on white | 6.57:1 | AA | Lc 82.0 | Fine for body text |
| #7640B8 text on black | 3.19:1 | AA large text | Lc -19.9 | 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 700.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F5
oklch(88.4% 0.049 301)
-
Step 300
300
#CAB4F1
oklch(80.9% 0.088 301)
-
Step 400
400
#AF8AEA
oklch(70.6% 0.141 300.6)
-
Step 500
500
#9D6AE3
oklch(63.2% 0.179 300.9)
-
Step 600
600
#884ED1
oklch(55.6% 0.194 300.6)
-
Step 700
700 (this color)
#7640B8
oklch(49.9% 0.181 300.6)
-
Step 800
800
#5E3493
oklch(42.8% 0.15 300.5)
-
Step 900
900
#4D2F75
oklch(37.8% 0.116 300.7)
-
Step 950
950
#2D1C44
oklch(27% 0.073 301.3)
#7640B8 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) | #005DBC | 0.133 |
| Deuteranopia (no green cones) | #055CB5 | 0.133 |
| Tritanopia (no blue cones) | #685B76 | 0.137 |
| Achromatopsia (no color) | #5D5D5D | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7640B8
#7640B8
oklch(49.9% 0.181 300.6)
- #5A6C00
#5A6C00
oklch(49.9% 0.119 120.4)
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 #7640B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.044
- Iris #6258C4 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.065
- Light Indigo #6D5ACF ΔE 0.065
- Purply #983FB2 ΔE 0.066
- Blue With A Hint Of Purple #533CC6 ΔE 0.069
- Blurple #5539CC ΔE 0.071
Use #7640B8 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.