#7C3191
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.162 318.1), rgb(124, 49, 145).
Aa
White text reads best on this color (7.76:1).
About this color
#7C3191 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.162 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.046 away. White text reads best on it, at 7.76:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #7C3191 |
| RGB | rgb(124, 49, 145) |
| HSL | hsl(287, 49%, 38%) |
| OKLCH | oklch(46.1% 0.162 318.1) |
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 #7C3191 | 7.76:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #7C3191 | 2.70:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #7C3191 text on white | 7.76:1 | AAA | Lc 86.3 | Fine for body text |
| #7C3191 text on black | 2.70:1 | Fails | Lc -15.8 | 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 700.
-
Step 50
50
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D1EC
oklch(88.6% 0.043 318.7)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C186D3
oklch(70.6% 0.126 318.1)
-
Step 500
500
#B166C7
oklch(63.1% 0.16 318.2)
-
Step 600
600
#9C4AB4
oklch(55.6% 0.175 318)
-
Step 700
700 (this color)
#7C3191
oklch(46.1% 0.162 318.1)
-
Step 800
800
#6C317D
oklch(42.6% 0.134 318.1)
-
Step 900
900
#582C65
oklch(37.7% 0.105 318.1)
-
Step 950
950
#341B3B
oklch(27.1% 0.066 318.6)
#7C3191 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) | #104E94 | 0.158 |
| Deuteranopia (no green cones) | #35558F | 0.136 |
| Tritanopia (no blue cones) | #7C425C | 0.103 |
| Achromatopsia (no color) | #525252 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C3191
#7C3191
oklch(46.1% 0.162 318.1)
- #276900
#276900
oklch(46% 0.142 138.2)
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 #7C3191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.046
- Warm Purple #952E8F ΔE 0.050
- Dark Magenta #8B008B ΔE 0.056
- Purple #800080 ΔE 0.060
- Light Eggplant #894585 ΔE 0.060
- Purply #983FB2 ΔE 0.079
- Grape #7209B7 ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.099
Use #7C3191 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.