#7B57C0
Closest named color: Light Indigo (#6D5ACF). oklch(54.5% 0.159 296.6), rgb(123, 87, 192).
Aa
White text reads best on this color (5.29:1).
About this color
#7B57C0 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.159 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.033 away. White text reads best on it, at 5.29:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #7B57C0 |
| RGB | rgb(123, 87, 192) |
| HSL | hsl(261, 45%, 55%) |
| OKLCH | oklch(54.5% 0.159 296.6) |
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 #7B57C0 | 5.29:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #7B57C0 | 3.96:1 | AA large text | Lc 28.0 | Dividers and decoration only |
| #7B57C0 text on white | 5.29:1 | AA | Lc 76.0 | Fine for body text |
| #7B57C0 text on black | 3.96:1 | AA large text | Lc -25.7 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DBD4F1
oklch(88.4% 0.04 296.6)
-
Step 300
300
#C5B8EA
oklch(81% 0.071 296.7)
-
Step 400
400
#A891DF
oklch(70.7% 0.114 297)
-
Step 500
500
#9374D6
oklch(63.1% 0.145 296.6)
-
Step 600
600 (this color)
#7B57C0
oklch(54.5% 0.159 296.6)
-
Step 700
700
#6B49A9
oklch(49.1% 0.148 296.9)
-
Step 800
800
#573D89
oklch(42.8% 0.122 296.7)
-
Step 900
900
#47356D
oklch(37.7% 0.094 296.4)
-
Step 950
950
#2A1F40
oklch(27% 0.061 297.6)
#7B57C0 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) | #296CC4 | 0.107 |
| Deuteranopia (no green cones) | #346ABE | 0.099 |
| Tritanopia (no blue cones) | #6B6C83 | 0.124 |
| Achromatopsia (no color) | #6B6B6B | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B57C0
#7B57C0
oklch(54.5% 0.159 296.6)
- #6C7900
#6C7900
oklch(54.6% 0.126 117)
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 #7B57C0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.034
- Deep Lavender #8D5EB7 ΔE 0.041
- Iris #6258C4 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.044
- Purpley #8756E4 ΔE 0.059
- Amethyst #9B5FC0 ΔE 0.061
- Purply #983FB2 ΔE 0.070
Use #7B57C0 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.