#6D59C8
Closest named color: Slate Blue (#6A5ACD). oklch(54.1% 0.166 287.8), rgb(109, 89, 200).
Aa
White text reads best on this color (5.36:1).
About this color
#6D59C8 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 0.009 away. White text reads best on it, at 5.36:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 3.91:1 |
| White text | 5.36:1 |
Values
| HEX | #6D59C8 |
| RGB | rgb(109, 89, 200) |
| HSL | hsl(251, 50%, 57%) |
| OKLCH | oklch(54.1% 0.166 287.8) |
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 #6D59C8 | 5.36:1 | AA | Lc -81.8 | Fine for body text |
| Black text on #6D59C8 | 3.91:1 | AA large text | Lc 27.6 | Dividers and decoration only |
| #6D59C8 text on white | 5.36:1 | AA | Lc 76.4 | Fine for body text |
| #6D59C8 text on black | 3.91:1 | AA large text | Lc -25.3 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
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
#BDBAEF
oklch(80.9% 0.074 287.2)
-
Step 400
400
#9D94E7
oklch(70.7% 0.12 287.9)
-
Step 500
500
#8677DF
oklch(63% 0.152 287.8)
-
Step 600
600 (this color)
#6D59C8
oklch(54.1% 0.166 287.8)
-
Step 700
700
#5F4CB1
oklch(49% 0.154 288)
-
Step 800
800
#4D3F90
oklch(42.6% 0.129 287.6)
-
Step 900
900
#403773
oklch(37.8% 0.099 287.6)
-
Step 950
950
#252043
oklch(26.9% 0.064 287.9)
#6D59C8 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 | 0.092 |
| Deuteranopia (no green cones) | #1A68C6 | 0.091 |
| Tritanopia (no blue cones) | #507188 | 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°).
- #6D59C8
#6D59C8
oklch(54.1% 0.166 287.8)
- #767300
#767300
oklch(54.1% 0.117 107.9)
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 #6D59C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.009
- Light Indigo #6D5ACF ΔE 0.011
- Iris #6258C4 ΔE 0.019
- Dark Periwinkle #665FD1 ΔE 0.021
- Bluey Purple #6241C7 ΔE 0.058
- Warm Blue #4B57DB ΔE 0.058
- Purpley #8756E4 ΔE 0.060
- Deep Lavender #8D5EB7 ΔE 0.064
Use #6D59C8 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.