#6C59D3
Closest named color: Light Indigo (#6D5ACF). oklch(54.8% 0.18 285.9), rgb(108, 89, 211).
Aa
White text reads best on this color (5.24:1).
About this color
#6C59D3 is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.180 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.007 away. White text reads best on it, at 5.24:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #6C59D3 |
| RGB | rgb(108, 89, 211) |
| HSL | hsl(249, 58%, 59%) |
| OKLCH | oklch(54.8% 0.18 285.9) |
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 #6C59D3 | 5.24:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #6C59D3 | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #6C59D3 text on white | 5.24:1 | AA | Lc 75.7 | Fine for body text |
| #6C59D3 text on black | 4.00:1 | AA large text | Lc -26.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D5F6
oklch(88.4% 0.045 286.8)
-
Step 300
300
#BBBAF3
oklch(81% 0.08 285.3)
-
Step 400
400
#9A93ED
oklch(70.6% 0.13 286.1)
-
Step 500
500
#8376E8
oklch(63.1% 0.166 285.8)
-
Step 600
600 (this color)
#6C59D3
oklch(54.8% 0.18 285.9)
-
Step 700
700
#5D4AB9
oklch(49.1% 0.168 286.3)
-
Step 800
800
#4B3E96
oklch(42.7% 0.139 285.7)
-
Step 900
900
#3E3677
oklch(37.7% 0.107 285.7)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#6C59D3 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) | #006FD7 | 0.096 |
| Deuteranopia (no green cones) | #0069D0 | 0.095 |
| Tritanopia (no blue cones) | #48758D | 0.152 |
| Achromatopsia (no color) | #6C6C6C | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C59D3
#6C59D3
oklch(54.8% 0.18 285.9)
- #7A7400
#7A7400
oklch(54.7% 0.117 106.1)
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 #6C59D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.007
- Slate Blue #6A5ACD ΔE 0.010
- Dark Periwinkle #665FD1 ΔE 0.016
- Iris #6258C4 ΔE 0.028
- Warm Blue #4B57DB ΔE 0.050
- Purpley #8756E4 ΔE 0.051
- Medium Slate Blue #7B68EE ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.059
Use #6C59D3 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.