#7A51CB
Closest named color: Light Indigo (#6D5ACF). oklch(54.2% 0.181 295.2), rgb(122, 81, 203).
Aa
White text reads best on this color (5.43:1).
About this color
#7A51CB is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.181 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.028 away. White text reads best on it, at 5.43:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.86:1 |
| White text | 5.43:1 |
Values
| HEX | #7A51CB |
| RGB | rgb(122, 81, 203) |
| HSL | hsl(260, 54%, 56%) |
| OKLCH | oklch(54.2% 0.181 295.2) |
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 #7A51CB | 5.43:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #7A51CB | 3.86:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #7A51CB text on white | 5.43:1 | AA | Lc 76.7 | Fine for body text |
| #7A51CB text on black | 3.86:1 | AA large text | Lc -25.1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F8
oklch(93.6% 0.023 296.7)
-
Step 200
200
#DBD4F5
oklch(88.6% 0.046 295.2)
-
Step 300
300
#C4B7F0
oklch(81% 0.081 295)
-
Step 400
400
#A78FE9
oklch(70.7% 0.13 295.1)
-
Step 500
500
#9370E2
oklch(63.1% 0.167 295.4)
-
Step 600
600 (this color)
#7A51CB
oklch(54.2% 0.181 295.2)
-
Step 700
700
#6B45B4
oklch(49.2% 0.168 295.3)
-
Step 800
800
#573992
oklch(42.7% 0.141 295.4)
-
Step 900
900
#473274
oklch(37.6% 0.109 295.3)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#7A51CB 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) | #006BCF | 0.123 |
| Deuteranopia (no green cones) | #1268C8 | 0.119 |
| Tritanopia (no blue cones) | #656C86 | 0.143 |
| Achromatopsia (no color) | #6A6A6A | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A51CB
#7A51CB
oklch(54.2% 0.181 295.2)
- #6D7700
#6D7700
oklch(54.2% 0.123 115.5)
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 #7A51CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.031
- Iris #6258C4 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.043
- Purpley #8756E4 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.059
- Medium Slate Blue #7B68EE ΔE 0.071
Use #7A51CB 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.