#7B51EA
Closest named color: Purpley (#8756E4). oklch(56.6% 0.218 290.3), rgb(123, 81, 234).
Aa
White text reads best on this color (4.99:1).
About this color
#7B51EA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.218 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley (#8756E4), ΔE 0.026 away. White text reads best on it, at 4.99:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Purpley (#8756E4) |
| Black text | 4.20:1 |
| White text | 4.99:1 |
Values
| HEX | #7B51EA |
| RGB | rgb(123, 81, 234) |
| HSL | hsl(256, 78%, 62%) |
| OKLCH | oklch(56.6% 0.218 290.3) |
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 #7B51EA | 4.99:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #7B51EA | 4.20:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #7B51EA text on white | 4.99:1 | AA | Lc 73.9 | Content text, not long reading |
| #7B51EA text on black | 4.20:1 | AA large text | Lc -27.8 | 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 600.
-
Step 50
50
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#C0B6FC
oklch(80.9% 0.098 290.6)
-
Step 400
400
#A18DFA
oklch(70.7% 0.156 290.3)
-
Step 500
500
#8C6BF8
oklch(63.1% 0.202 290.2)
-
Step 600
600 (this color)
#7B51EA
oklch(56.6% 0.218 290.3)
-
Step 700
700
#663DC8
oklch(49.1% 0.202 290.5)
-
Step 800
800
#5334A2
oklch(42.8% 0.168 290.5)
-
Step 900
900
#442F81
oklch(37.8% 0.132 290.5)
-
Step 950
950
#271D4B
oklch(27% 0.082 289.8)
#7B51EA 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) | #0072EF | 0.121 |
| Deuteranopia (no green cones) | #006CE7 | 0.119 |
| Tritanopia (no blue cones) | #577697 | 0.175 |
| Achromatopsia (no color) | #6F6F6F | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B51EA
#7B51EA
oklch(56.6% 0.218 290.3)
- #7B7C00
#7B7C00
oklch(56.7% 0.124 110.3)
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 #7B51EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley #8756E4 ΔE 0.026
- Medium Slate Blue #7B68EE ΔE 0.049
- Light Indigo #6D5ACF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.057
- Blue Violet #8A2BE2 ΔE 0.064
- Burple #6832E3 ΔE 0.067
- Iris #6258C4 ΔE 0.071
Use #7B51EA 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.