#7A51CC
Closest named color: Light Indigo (#6D5ACF). oklch(54.3% 0.182 295), rgb(122, 81, 204).
Aa
White text reads best on this color (5.41:1).
About this color
#7A51CC is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.182 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 5.41:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.87:1 |
| White text | 5.41:1 |
Values
| HEX | #7A51CC |
| RGB | rgb(122, 81, 204) |
| HSL | hsl(260, 55%, 56%) |
| OKLCH | oklch(54.3% 0.182 295) |
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 #7A51CC | 5.41:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #7A51CC | 3.87:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #7A51CC text on white | 5.41:1 | AA | Lc 76.6 | Fine for body text |
| #7A51CC text on black | 3.87:1 | 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
#EBE7F9
oklch(93.6% 0.024 296.1)
-
Step 200
200
#DBD4F5
oklch(88.6% 0.046 295.2)
-
Step 300
300
#C4B7F1
oklch(81% 0.082 294.8)
-
Step 400
400
#A78FE9
oklch(70.7% 0.13 295.1)
-
Step 500
500
#9270E3
oklch(63.1% 0.168 294.7)
-
Step 600
600 (this color)
#7A51CC
oklch(54.3% 0.182 295)
-
Step 700
700
#6A44B5
oklch(49% 0.171 294.8)
-
Step 800
800
#563992
oklch(42.6% 0.14 294.7)
-
Step 900
900
#473275
oklch(37.7% 0.111 295)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#7A51CC 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) | #006BD0 | 0.123 |
| Deuteranopia (no green cones) | #0F68C9 | 0.120 |
| Tritanopia (no blue cones) | #656C87 | 0.143 |
| Achromatopsia (no color) | #6A6A6A | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A51CC
#7A51CC
oklch(54.3% 0.182 295)
- #6E7700
#6E7700
oklch(54.3% 0.123 114.9)
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 #7A51CC, 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
- Dark Periwinkle #665FD1 ΔE 0.042
- Iris #6258C4 ΔE 0.043
- Purpley #8756E4 ΔE 0.044
- Bluey Purple #6241C7 ΔE 0.057
- Deep Lavender #8D5EB7 ΔE 0.060
- Medium Slate Blue #7B68EE ΔE 0.070
Use #7A51CC 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.