#7C57EC
Closest named color: Purpley (#8756E4). oklch(57.7% 0.213 289.4), rgb(124, 87, 236).
Aa
White text reads best on this color (4.73:1).
About this color
#7C57EC is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.213 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley (#8756E4), ΔE 0.022 away. White text reads best on it, at 4.73:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Purpley (#8756E4) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #7C57EC |
| RGB | rgb(124, 87, 236) |
| HSL | hsl(255, 80%, 63%) |
| OKLCH | oklch(57.7% 0.213 289.4) |
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 #7C57EC | 4.73:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #7C57EC | 4.43:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #7C57EC text on white | 4.73:1 | AA | Lc 72.4 | Content text, not long reading |
| #7C57EC text on black | 4.43:1 | AA large text | Lc -29.3 | 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
#D7D4FB
oklch(88.5% 0.053 288.8)
-
Step 300
300
#BFB7FB
oklch(81% 0.095 289.5)
-
Step 400
400
#9F8EF9
oklch(70.7% 0.153 289.2)
-
Step 500
500
#8A6DF6
oklch(63.1% 0.197 289.3)
-
Step 600
600 (this color)
#7C57EC
oklch(57.7% 0.213 289.4)
-
Step 700
700
#643FC7
oklch(49.1% 0.199 289.5)
-
Step 800
800
#5135A1
oklch(42.7% 0.165 289.4)
-
Step 900
900
#42307F
oklch(37.6% 0.128 289.3)
-
Step 950
950
#271D4B
oklch(27% 0.082 289.8)
#7C57EC 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) | #0076F1 | 0.118 |
| Deuteranopia (no green cones) | #006FE9 | 0.116 |
| Tritanopia (no blue cones) | #577B9A | 0.174 |
| Achromatopsia (no color) | #737373 | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C57EC
#7C57EC
oklch(57.7% 0.213 289.4)
- #7F7F00
#7F7F00
oklch(57.7% 0.126 109.8)
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 #7C57EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley #8756E4 ΔE 0.022
- Medium Slate Blue #7B68EE ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.050
- Slate Blue #6A5ACD ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.056
- Lighter Purple #A55AF4 ΔE 0.072
- Iris #6258C4 ΔE 0.074
- Blue Violet #8A2BE2 ΔE 0.075
Use #7C57EC 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.