#7640B1
Closest named color: Bluey Purple (#6241C7). oklch(49.4% 0.173 302.5), rgb(118, 64, 177).
Aa
White text reads best on this color (6.69:1).
About this color
#7640B1 is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.173 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.051 away. White text reads best on it, at 6.69:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.173) |
| Temperature | in between |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 3.13:1 |
| White text | 6.69:1 |
Values
| HEX | #7640B1 |
| RGB | rgb(118, 64, 177) |
| HSL | hsl(269, 47%, 47%) |
| OKLCH | oklch(49.4% 0.173 302.5) |
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 #7640B1 | 6.69:1 | AA | Lc -87.6 | Fine for body text |
| Black text on #7640B1 | 3.13:1 | AA large text | Lc 21.5 | Dividers and decoration only |
| #7640B1 text on white | 6.69:1 | AA | Lc 82.5 | Fine for body text |
| #7640B1 text on black | 3.13:1 | AA large text | Lc -19.4 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F3
oklch(88.4% 0.047 303.3)
-
Step 300
300
#CBB4EE
oklch(80.9% 0.084 302.7)
-
Step 400
400
#B18BE5
oklch(70.7% 0.133 302.6)
-
Step 500
500
#9E6BDE
oklch(63.1% 0.171 302.2)
-
Step 600
600
#8A4FCB
oklch(55.6% 0.186 302.7)
-
Step 700
700 (this color)
#7640B1
oklch(49.4% 0.173 302.5)
-
Step 800
800
#5F358E
oklch(42.7% 0.143 302.5)
-
Step 900
900
#4E2F72
oklch(37.7% 0.113 302.7)
-
Step 950
950
#2D1C43
oklch(26.9% 0.072 301.9)
#7640B1 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) | #005BB5 | 0.134 |
| Deuteranopia (no green cones) | #1A5CAF | 0.128 |
| Tritanopia (no blue cones) | #6A5873 | 0.127 |
| Achromatopsia (no color) | #5C5C5C | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7640B1
#7640B1
oklch(49.4% 0.173 302.5)
- #566C00
#566C00
oklch(49.5% 0.121 122.5)
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 #7640B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.051
- Rebecca Purple #663399 ΔE 0.056
- Purply #983FB2 ΔE 0.065
- Iris #6258C4 ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.071
- Light Indigo #6D5ACF ΔE 0.071
- Grape #7209B7 ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.074
Use #7640B1 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.