#6A57D4
Closest named color: Light Indigo (#6D5ACF). oklch(54.4% 0.184 285.4), rgb(106, 87, 212).
Aa
White text reads best on this color (5.34:1).
About this color
#6A57D4 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.184 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.012 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #6A57D4 |
| RGB | rgb(106, 87, 212) |
| HSL | hsl(249, 59%, 59%) |
| OKLCH | oklch(54.4% 0.184 285.4) |
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 #6A57D4 | 5.34:1 | AA | Lc -81.6 | Fine for body text |
| Black text on #6A57D4 | 3.92:1 | AA large text | Lc 27.8 | Dividers and decoration only |
| #6A57D4 text on white | 5.34:1 | AA | Lc 76.2 | Fine for body text |
| #6A57D4 text on black | 3.92:1 | AA large text | Lc -25.5 | 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
#D5D5F7
oklch(88.4% 0.047 285.4)
-
Step 300
300
#BBB9F5
oklch(80.8% 0.084 285.9)
-
Step 400
400
#9993EF
oklch(70.6% 0.133 285.4)
-
Step 500
500
#8275EA
oklch(63% 0.17 285.5)
-
Step 600
600 (this color)
#6A57D4
oklch(54.4% 0.184 285.4)
-
Step 700
700
#5C4ABC
oklch(49.2% 0.172 285.4)
-
Step 800
800
#4B3D98
oklch(42.7% 0.143 285.7)
-
Step 900
900
#3E3579
oklch(37.7% 0.112 285.8)
-
Step 950
950
#242047
oklch(27.1% 0.07 285.3)
#6A57D4 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) | #006ED8 | 0.095 |
| Deuteranopia (no green cones) | #0067D1 | 0.094 |
| Tritanopia (no blue cones) | #43748D | 0.155 |
| Achromatopsia (no color) | #6B6B6B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A57D4
#6A57D4
oklch(54.4% 0.184 285.4)
- #7A7300
#7A7300
oklch(54.4% 0.116 105.4)
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 #6A57D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.012
- Slate Blue #6A5ACD ΔE 0.013
- Dark Periwinkle #665FD1 ΔE 0.020
- Iris #6258C4 ΔE 0.028
- Warm Blue #4B57DB ΔE 0.046
- Purpley #8756E4 ΔE 0.053
- Bluey Purple #6241C7 ΔE 0.054
- Medium Slate Blue #7B68EE ΔE 0.062
Use #6A57D4 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.