#7B3D99
Closest named color: Rebecca Purple (#663399). oklch(48% 0.152 313.2), rgb(123, 61, 153).
Aa
White text reads best on this color (7.07:1).
About this color
#7B3D99 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.152 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.049 away. White text reads best on it, at 7.07:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #7B3D99 |
| RGB | rgb(123, 61, 153) |
| HSL | hsl(280, 43%, 42%) |
| OKLCH | oklch(48% 0.152 313.2) |
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 #7B3D99 | 7.07:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #7B3D99 | 2.96:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #7B3D99 text on white | 7.07:1 | AAA | Lc 84.0 | Fine for body text |
| #7B3D99 text on black | 2.96:1 | Fails | Lc -17.9 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D2B3E3
oklch(80.9% 0.074 313.5)
-
Step 400
400
#BA8AD5
oklch(70.7% 0.118 312.8)
-
Step 500
500
#A96BC9
oklch(63.1% 0.15 313.2)
-
Step 600
600
#9450B6
oklch(55.6% 0.164 313.1)
-
Step 700
700 (this color)
#7B3D99
oklch(48% 0.152 313.2)
-
Step 800
800
#67367F
oklch(42.8% 0.126 313.3)
-
Step 900
900
#542F66
oklch(37.7% 0.099 313.6)
-
Step 950
950
#311C3C
oklch(27% 0.063 313.1)
#7B3D99 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) | #1F559C | 0.137 |
| Deuteranopia (no green cones) | #395A97 | 0.120 |
| Tritanopia (no blue cones) | #784D65 | 0.102 |
| Achromatopsia (no color) | #585858 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B3D99
#7B3D99
oklch(48% 0.152 313.2)
- #3C6D00
#3C6D00
oklch(48.1% 0.136 133.3)
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 #7B3D99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.049
- Light Eggplant #894585 ΔE 0.051
- Warm Purple #952E8F ΔE 0.056
- Purply #983FB2 ΔE 0.067
- Dark Magenta #8B008B ΔE 0.078
- Purple #800080 ΔE 0.085
- Muted Purple #805B87 ΔE 0.087
- Bluey Purple #6241C7 ΔE 0.088
Use #7B3D99 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.