#7B51BE
Closest named color: Light Indigo (#6D5ACF). oklch(53.4% 0.165 298.4), rgb(123, 81, 190).
Aa
White text reads best on this color (5.58:1).
About this color
#7B51BE is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.165 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.038 away. White text reads best on it, at 5.58:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #7B51BE |
| RGB | rgb(123, 81, 190) |
| HSL | hsl(263, 46%, 53%) |
| OKLCH | oklch(53.4% 0.165 298.4) |
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 #7B51BE | 5.58:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #7B51BE | 3.76:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #7B51BE text on white | 5.58:1 | AA | Lc 77.5 | Fine for body text |
| #7B51BE text on black | 3.76:1 | AA large text | Lc -24.2 | 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 600.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C6B7EB
oklch(80.9% 0.074 297.9)
-
Step 400
400
#AA90E1
oklch(70.8% 0.119 298.1)
-
Step 500
500
#9672D8
oklch(63.1% 0.151 298.2)
-
Step 600
600 (this color)
#7B51BE
oklch(53.4% 0.165 298.4)
-
Step 700
700
#6D47AA
oklch(49% 0.153 298.3)
-
Step 800
800
#593B8A
oklch(42.7% 0.127 298.4)
-
Step 900
900
#49336E
oklch(37.6% 0.099 298.8)
-
Step 950
950
#2B1F41
oklch(27.2% 0.063 298.4)
#7B51BE 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) | #1B68C2 | 0.119 |
| Deuteranopia (no green cones) | #2D67BC | 0.109 |
| Tritanopia (no blue cones) | #6C6880 | 0.128 |
| Achromatopsia (no color) | #686868 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B51BE
#7B51BE
oklch(53.4% 0.165 298.4)
- #677600
#677600
oklch(53.5% 0.125 118.2)
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 #7B51BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.038
- Slate Blue #6A5ACD ΔE 0.039
- Iris #6258C4 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.061
- Purpley #8756E4 ΔE 0.062
- Purply #983FB2 ΔE 0.063
Use #7B51BE 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.