#7B31A3
Closest named color: Rebecca Purple (#663399). oklch(47.1% 0.18 311.1), rgb(123, 49, 163).
Aa
White text reads best on this color (7.47:1).
About this color
#7B31A3 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.180 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 7.47:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.81:1 |
| White text | 7.47:1 |
Values
| HEX | #7B31A3 |
| RGB | rgb(123, 49, 163) |
| HSL | hsl(279, 54%, 42%) |
| OKLCH | oklch(47.1% 0.18 311.1) |
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 #7B31A3 | 7.47:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #7B31A3 | 2.81:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #7B31A3 text on white | 7.47:1 | AAA | Lc 85.2 | Fine for body text |
| #7B31A3 text on black | 2.81:1 | Fails | Lc -16.8 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E4D1F1
oklch(88.6% 0.048 311.7)
-
Step 300
300
#D3B1EA
oklch(80.9% 0.087 311.4)
-
Step 400
400
#BC86E0
oklch(70.7% 0.139 310.8)
-
Step 500
500
#AC64D7
oklch(63.1% 0.178 311.2)
-
Step 600
600
#9747C4
oklch(55.6% 0.193 311.1)
-
Step 700
700 (this color)
#7B31A3
oklch(47.1% 0.18 311.1)
-
Step 800
800
#692F89
oklch(42.7% 0.149 311.4)
-
Step 900
900
#552B6E
oklch(37.7% 0.117 311)
-
Step 950
950
#321A40
oklch(27% 0.073 311.6)
#7B31A3 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) | #0051A6 | 0.158 |
| Deuteranopia (no green cones) | #2256A0 | 0.147 |
| Tritanopia (no blue cones) | #764966 | 0.122 |
| Achromatopsia (no color) | #555555 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B31A3
#7B31A3
oklch(47.1% 0.18 311.1)
- #406900
#406900
oklch(47.2% 0.129 131.1)
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 #7B31A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Grape #7209B7 ΔE 0.060
- Warm Purple #952E8F ΔE 0.063
- Dark Magenta #8B008B ΔE 0.068
- Purply #983FB2 ΔE 0.068
- Purple #800080 ΔE 0.077
- Light Eggplant #894585 ΔE 0.077
- Bluey Purple #6241C7 ΔE 0.079
Use #7B31A3 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.