#7C57CD
Closest named color: Light Indigo (#6D5ACF). oklch(55.5% 0.175 294.4), rgb(124, 87, 205).
Aa
White text reads best on this color (5.11:1).
About this color
#7C57CD is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.175 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 0.025 away. White text reads best on it, at 5.11:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.175) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #7C57CD |
| RGB | rgb(124, 87, 205) |
| HSL | hsl(259, 54%, 57%) |
| OKLCH | oklch(55.5% 0.175 294.4) |
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 #7C57CD | 5.11:1 | AA | Lc -80.3 | Fine for body text |
| Black text on #7C57CD | 4.10:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #7C57CD text on white | 5.11:1 | AA | Lc 75.0 | Content text, not long reading |
| #7C57CD text on black | 4.10:1 | AA large text | Lc -26.8 | 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
#C3B7EF
oklch(80.8% 0.079 294.4)
-
Step 400
400
#A690E7
oklch(70.7% 0.126 294.6)
-
Step 500
500
#9172E0
oklch(63.1% 0.161 294.3)
-
Step 600
600 (this color)
#7C57CD
oklch(55.5% 0.175 294.4)
-
Step 700
700
#6947B2
oklch(49.2% 0.163 294.3)
-
Step 800
800
#553B90
oklch(42.7% 0.135 294.1)
-
Step 900
900
#463373
oklch(37.6% 0.106 294.4)
-
Step 950
950
#291F43
oklch(27.1% 0.065 294.4)
#7C57CD 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) | #126FD1 | 0.117 |
| Deuteranopia (no green cones) | #236CCA | 0.111 |
| Tritanopia (no blue cones) | #67708A | 0.138 |
| Achromatopsia (no color) | #6E6E6E | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7C57CD
#7C57CD
oklch(55.5% 0.175 294.4)
- #727A00
#727A00
oklch(55.4% 0.125 114.3)
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 #7C57CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.025
- Slate Blue #6A5ACD ΔE 0.029
- Dark Periwinkle #665FD1 ΔE 0.038
- Purpley #8756E4 ΔE 0.039
- Iris #6258C4 ΔE 0.044
- Deep Lavender #8D5EB7 ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.060
- Amethyst #9B5FC0 ΔE 0.064
Use #7C57CD 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.