#6A57D8
Closest named color: Light Indigo (#6D5ACF). oklch(54.7% 0.19 285), rgb(106, 87, 216).
Aa
White text reads best on this color (5.29:1).
About this color
#6A57D8 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.190 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.017 away. White text reads best on it, at 5.29:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.190) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #6A57D8 |
| RGB | rgb(106, 87, 216) |
| HSL | hsl(249, 62%, 59%) |
| OKLCH | oklch(54.7% 0.19 285) |
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 #6A57D8 | 5.29:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #6A57D8 | 3.96:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #6A57D8 text on white | 5.29:1 | AA | Lc 75.9 | Fine for body text |
| #6A57D8 text on black | 3.96:1 | AA large text | Lc -25.8 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D5D5F8
oklch(88.4% 0.048 285.4)
-
Step 300
300
#BAB9F6
oklch(80.8% 0.086 285.1)
-
Step 400
400
#9893F2
oklch(70.7% 0.137 284.7)
-
Step 500
500
#8175ED
oklch(63.1% 0.174 284.8)
-
Step 600
600 (this color)
#6A57D8
oklch(54.7% 0.19 285)
-
Step 700
700
#5B49BE
oklch(49.1% 0.176 284.9)
-
Step 800
800
#4A3D9A
oklch(42.8% 0.146 284.8)
-
Step 900
900
#3D357A
oklch(37.6% 0.113 284.8)
-
Step 950
950
#242048
oklch(27.1% 0.072 285.1)
#6A57D8 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) | #006FDC | 0.095 |
| Deuteranopia (no green cones) | #0067D5 | 0.093 |
| Tritanopia (no blue cones) | #40758F | 0.159 |
| Achromatopsia (no color) | #6B6B6B | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A57D8
#6A57D8
oklch(54.7% 0.19 285)
- #7B7300
#7B7300
oklch(54.5% 0.116 104.8)
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 #6A57D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.019
- Dark Periwinkle #665FD1 ΔE 0.022
- Iris #6258C4 ΔE 0.033
- Warm Blue #4B57DB ΔE 0.045
- Purpley #8756E4 ΔE 0.051
- Bluey Purple #6241C7 ΔE 0.056
- Medium Slate Blue #7B68EE ΔE 0.058
Use #6A57D8 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.