#6E59C8
Closest named color: Slate Blue (#6A5ACD). oklch(54.2% 0.166 288.3), rgb(110, 89, 200).
Aa
White text reads best on this color (5.34:1).
About this color
#6E59C8 is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.166 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.010 away. White text reads best on it, at 5.34:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.92:1 |
| White text | 5.34:1 |
Values
| HEX | #6E59C8 |
| RGB | rgb(110, 89, 200) |
| HSL | hsl(251, 50%, 57%) |
| OKLCH | oklch(54.2% 0.166 288.3) |
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 #6E59C8 | 5.34:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #6E59C8 | 3.92:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #6E59C8 text on white | 5.34:1 | AA | Lc 76.3 | Fine for body text |
| #6E59C8 text on black | 3.92:1 | AA large text | Lc -25.4 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D7D5F4
oklch(88.4% 0.042 288.5)
-
Step 300
300
#BEBAEF
oklch(81% 0.074 288.1)
-
Step 400
400
#9D94E6
oklch(70.7% 0.118 288)
-
Step 500
500
#8777DF
oklch(63.1% 0.152 288.3)
-
Step 600
600 (this color)
#6E59C8
oklch(54.2% 0.166 288.3)
-
Step 700
700
#604CB1
oklch(49.1% 0.154 288.5)
-
Step 800
800
#4E3F8F
oklch(42.6% 0.127 288.4)
-
Step 900
900
#403672
oklch(37.5% 0.099 288.3)
-
Step 950
950
#262043
oklch(27% 0.064 289.3)
#6E59C8 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) | #1A6DCC | 0.093 |
| Deuteranopia (no green cones) | #1C68C6 | 0.092 |
| Tritanopia (no blue cones) | #527188 | 0.137 |
| Achromatopsia (no color) | #6B6B6B | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6E59C8
#6E59C8
oklch(54.2% 0.166 288.3)
- #767400
#767400
oklch(54.3% 0.117 108.5)
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 #6E59C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.010
- Light Indigo #6D5ACF ΔE 0.011
- Iris #6258C4 ΔE 0.020
- Dark Periwinkle #665FD1 ΔE 0.021
- Bluey Purple #6241C7 ΔE 0.058
- Purpley #8756E4 ΔE 0.059
- Warm Blue #4B57DB ΔE 0.060
- Deep Lavender #8D5EB7 ΔE 0.062
Use #6E59C8 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.