#7577CB
Closest named color: Medium Purple (#9370DB). oklch(60.5% 0.126 280.9), rgb(117, 119, 203).
Aa
Black text reads best on this color (5.25:1).
About this color
#7577CB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 60%, its chroma 0.126 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.055 away. Black text reads best on it, at 5.25:1.
| Hue family | Purples |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.25:1 |
| White text | 3.99:1 |
Values
| HEX | #7577CB |
| RGB | rgb(117, 119, 203) |
| HSL | hsl(239, 45%, 63%) |
| OKLCH | oklch(60.5% 0.126 280.9) |
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 #7577CB | 3.99:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #7577CB | 5.25:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #7577CB text on white | 3.99:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #7577CB text on black | 5.25:1 | AA | Lc -34.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B9BDE8
oklch(81% 0.061 280.8)
-
Step 400
400
#9599DD
oklch(70.6% 0.099 280.9)
-
Step 500
500 (this color)
#7577CB
oklch(60.5% 0.126 280.9)
-
Step 600
600
#6767C1
oklch(55.7% 0.137 281)
-
Step 700
700
#5555A6
oklch(49.1% 0.127 280.7)
-
Step 800
800
#464687
oklch(42.8% 0.106 281)
-
Step 900
900
#3A3B6C
oklch(37.6% 0.083 280.8)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#7577CB 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) | #5982CE | 0.042 |
| Deuteranopia (no green cones) | #547CC9 | 0.042 |
| Tritanopia (no blue cones) | #5A8897 | 0.110 |
| Achromatopsia (no color) | #7F7F7F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7577CB
#7577CB
oklch(60.5% 0.126 280.9)
- #938300
#938300
oklch(60.6% 0.126 100.7)
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 #7577CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.055
- Deep Lilac #966EBD ΔE 0.055
- Soft Blue #6488EA ΔE 0.059
- Cornflower #6A79F7 ΔE 0.067
- Medium Slate Blue #7B68EE ΔE 0.069
- Dark Periwinkle #665FD1 ΔE 0.069
- Faded Blue #658CBB ΔE 0.069
- Deep Lavender #8D5EB7 ΔE 0.071
Use #7577CB 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.