#7B51EB
Closest named color: Purpley (#8756E4). oklch(56.7% 0.219 290.1), rgb(123, 81, 235).
Aa
White text reads best on this color (4.97:1).
About this color
#7B51EB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.219 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purpley (#8756E4), ΔE 0.027 away. White text reads best on it, at 4.97:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.219) |
| Temperature | in between |
| Nearest name | Purpley (#8756E4) |
| Black text | 4.21:1 |
| White text | 4.97:1 |
Values
| HEX | #7B51EB |
| RGB | rgb(123, 81, 235) |
| HSL | hsl(256, 79%, 62%) |
| OKLCH | oklch(56.7% 0.219 290.1) |
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 #7B51EB | 4.97:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #7B51EB | 4.21:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #7B51EB text on white | 4.97:1 | AA | Lc 73.8 | Content text, not long reading |
| #7B51EB text on black | 4.21:1 | AA large text | Lc -27.9 | 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 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
#D8D4FC
oklch(88.6% 0.055 289.8)
-
Step 300
300
#BFB6FC
oklch(80.9% 0.098 289.9)
-
Step 400
400
#A18DFB
oklch(70.8% 0.157 290.1)
-
Step 500
500
#8C6BF8
oklch(63.1% 0.202 290.2)
-
Step 600
600 (this color)
#7B51EB
oklch(56.7% 0.219 290.1)
-
Step 700
700
#653DC9
oklch(49.1% 0.204 289.9)
-
Step 800
800
#5233A2
oklch(42.5% 0.169 290.1)
-
Step 900
900
#432F81
oklch(37.7% 0.132 289.8)
-
Step 950
950
#271C4B
oklch(26.8% 0.084 290.4)
#7B51EB 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) | #0072F0 | 0.121 |
| Deuteranopia (no green cones) | #006CE8 | 0.119 |
| Tritanopia (no blue cones) | #567797 | 0.178 |
| Achromatopsia (no color) | #707070 | 0.221 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B51EB
#7B51EB
oklch(56.7% 0.219 290.1)
- #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 #7B51EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley #8756E4 ΔE 0.027
- Medium Slate Blue #7B68EE ΔE 0.048
- Light Indigo #6D5ACF ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.056
- Dark Periwinkle #665FD1 ΔE 0.058
- Blue Violet #8A2BE2 ΔE 0.064
- Burple #6832E3 ΔE 0.067
- Iris #6258C4 ΔE 0.073
Use #7B51EB 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.