#7C57B5
Closest named color: Deep Lavender (#8D5EB7). oklch(53.9% 0.145 299.7), rgb(124, 87, 181).
Aa
White text reads best on this color (5.40:1).
About this color
#7C57B5 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.145 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Lavender (#8D5EB7), ΔE 0.036 away. White text reads best on it, at 5.40:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Deep Lavender (#8D5EB7) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #7C57B5 |
| RGB | rgb(124, 87, 181) |
| HSL | hsl(264, 39%, 53%) |
| OKLCH | oklch(53.9% 0.145 299.7) |
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 #7C57B5 | 5.40:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #7C57B5 | 3.88:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #7C57B5 text on white | 5.40:1 | AA | Lc 76.7 | Fine for body text |
| #7C57B5 text on black | 3.88:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F5
oklch(93.5% 0.019 299.1)
-
Step 200
200
#DCD4EE
oklch(88.4% 0.036 299.7)
-
Step 300
300
#C6B8E5
oklch(80.9% 0.064 299.2)
-
Step 400
400
#AA92D8
oklch(70.7% 0.103 299.5)
-
Step 500
500
#9675CE
oklch(63.1% 0.134 299.7)
-
Step 600
600 (this color)
#7C57B5
oklch(53.9% 0.145 299.7)
-
Step 700
700
#6D4BA1
oklch(49.1% 0.135 299.7)
-
Step 800
800
#593E82
oklch(42.7% 0.111 300.1)
-
Step 900
900
#493568
oklch(37.6% 0.087 300.4)
-
Step 950
950
#2B203D
oklch(27.1% 0.054 300.3)
#7C57B5 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) | #366AB8 | 0.100 |
| Deuteranopia (no green cones) | #4069B3 | 0.092 |
| Tritanopia (no blue cones) | #70697E | 0.111 |
| Achromatopsia (no color) | #6A6A6A | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C57B5
#7C57B5
oklch(53.9% 0.145 299.7)
- #667800
#667800
oklch(53.9% 0.127 119.6)
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 #7C57B5, closest first.
No curated palette has a color within ΔE 0.04 of #7C57B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Lavender #8D5EB7 ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.047
- Iris #6258C4 ΔE 0.049
- Dark Periwinkle #665FD1 ΔE 0.056
- Amethyst #9B5FC0 ΔE 0.061
- Purply #983FB2 ΔE 0.067
- Dark Lavender #856798 ΔE 0.071
Use #7C57B5 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.