#7640AB
Closest named color: Rebecca Purple (#663399). oklch(49% 0.166 304.1), rgb(118, 64, 171).
Aa
White text reads best on this color (6.79:1).
About this color
#7640AB is a medium-dark, vivid purple. In OKLCH its lightness is 49%, its chroma 0.166 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.050 away. White text reads best on it, at 6.79:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #7640AB |
| RGB | rgb(118, 64, 171) |
| HSL | hsl(270, 46%, 46%) |
| OKLCH | oklch(49% 0.166 304.1) |
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 #7640AB | 6.79:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #7640AB | 3.09:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #7640AB text on white | 6.79:1 | AA | Lc 83.0 | Fine for body text |
| #7640AB text on black | 3.09:1 | AA large text | Lc -19.0 | 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 700.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F2
oklch(88.4% 0.046 303.9)
-
Step 300
300
#CCB4EB
oklch(80.9% 0.08 304.5)
-
Step 400
400
#B28BE1
oklch(70.6% 0.128 304.2)
-
Step 500
500
#A06CD9
oklch(63.2% 0.164 304.1)
-
Step 600
600
#8B50C6
oklch(55.5% 0.179 304.2)
-
Step 700
700 (this color)
#7640AB
oklch(49% 0.166 304.1)
-
Step 800
800
#60368B
oklch(42.7% 0.138 303.9)
-
Step 900
900
#4E306F
oklch(37.7% 0.107 303.7)
-
Step 950
950
#2E1D41
oklch(27.1% 0.067 304.1)
#7640AB 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) | #005AAE | 0.136 |
| Deuteranopia (no green cones) | #245BA9 | 0.123 |
| Tritanopia (no blue cones) | #6C566F | 0.122 |
| Achromatopsia (no color) | #5B5B5B | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7640AB
#7640AB
oklch(49% 0.166 304.1)
- #526B00
#526B00
oklch(49% 0.122 124.1)
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 #7640AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.058
- Purply #983FB2 ΔE 0.065
- Iris #6258C4 ΔE 0.070
- Grape #7209B7 ΔE 0.076
- Light Eggplant #894585 ΔE 0.076
- Slate Blue #6A5ACD ΔE 0.076
- Light Indigo #6D5ACF ΔE 0.078
Use #7640AB 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.