#7B3591
Closest named color: Rebecca Purple (#663399). oklch(46.4% 0.156 317.3), rgb(123, 53, 145).
Aa
White text reads best on this color (7.60:1).
About this color
#7B3591 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.156 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #7B3591 |
| RGB | rgb(123, 53, 145) |
| HSL | hsl(286, 46%, 39%) |
| OKLCH | oklch(46.4% 0.156 317.3) |
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 #7B3591 | 7.60:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #7B3591 | 2.76:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #7B3591 text on white | 7.60:1 | AAA | Lc 85.8 | Fine for body text |
| #7B3591 text on black | 2.76:1 | Fails | Lc -16.2 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D5B2E1
oklch(80.9% 0.075 317.4)
-
Step 400
400
#BF88D2
oklch(70.7% 0.121 317.2)
-
Step 500
500
#AF68C6
oklch(63.2% 0.154 317.4)
-
Step 600
600
#9A4DB2
oklch(55.6% 0.167 317.5)
-
Step 700
700 (this color)
#7B3591
oklch(46.4% 0.156 317.3)
-
Step 800
800
#6B337C
oklch(42.7% 0.129 317.7)
-
Step 900
900
#572E64
oklch(37.8% 0.1 317.5)
-
Step 950
950
#331B3B
oklch(27% 0.065 317.2)
#7B3591 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) | #194F94 | 0.148 |
| Deuteranopia (no green cones) | #37568F | 0.129 |
| Tritanopia (no blue cones) | #7A455E | 0.100 |
| Achromatopsia (no color) | #545454 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B3591
#7B3591
oklch(46.4% 0.156 317.3)
- #2C6A00
#2C6A00
oklch(46.5% 0.141 137.2)
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 #7B3591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Warm Purple #952E8F ΔE 0.052
- Light Eggplant #894585 ΔE 0.055
- Dark Magenta #8B008B ΔE 0.063
- Purple #800080 ΔE 0.066
- Purply #983FB2 ΔE 0.078
- Grape #7209B7 ΔE 0.086
- Dark Slate Blue #483D8B ΔE 0.095
Use #7B3591 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.