#7A55CD
Closest named color: Light Indigo (#6D5ACF). oklch(55% 0.178 294), rgb(122, 85, 205).
Aa
White text reads best on this color (5.23:1).
About this color
#7A55CD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.178 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.023 away. White text reads best on it, at 5.23:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.00:1 |
| White text | 5.23:1 |
Values
| HEX | #7A55CD |
| RGB | rgb(122, 85, 205) |
| HSL | hsl(259, 55%, 57%) |
| OKLCH | oklch(55% 0.178 294) |
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 #7A55CD | 5.23:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #7A55CD | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #7A55CD text on white | 5.23:1 | AA | Lc 75.6 | Fine for body text |
| #7A55CD text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C3B7F0
oklch(80.9% 0.08 294.2)
-
Step 400
400
#A590E8
oklch(70.7% 0.127 293.9)
-
Step 500
500
#9172E1
oklch(63.2% 0.163 294.1)
-
Step 600
600 (this color)
#7A55CD
oklch(55% 0.178 294)
-
Step 700
700
#6946B3
oklch(49.1% 0.165 294.3)
-
Step 800
800
#553A91
oklch(42.6% 0.138 294.1)
-
Step 900
900
#463374
oklch(37.7% 0.107 294.1)
-
Step 950
950
#291F44
oklch(27.1% 0.067 293.9)
#7A55CD 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) | #016DD1 | 0.119 |
| Deuteranopia (no green cones) | #1A6ACA | 0.113 |
| Tritanopia (no blue cones) | #646F89 | 0.141 |
| Achromatopsia (no color) | #6C6C6C | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A55CD
#7A55CD
oklch(55% 0.178 294)
- #717900
#717900
oklch(55% 0.124 114.3)
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 #7A55CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.023
- Slate Blue #6A5ACD ΔE 0.027
- Dark Periwinkle #665FD1 ΔE 0.037
- Purpley #8756E4 ΔE 0.041
- Iris #6258C4 ΔE 0.041
- Deep Lavender #8D5EB7 ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.063
Use #7A55CD 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.