#6B59EB
Closest named color: Dark Periwinkle (#665FD1). oklch(56.5% 0.211 282.9), rgb(107, 89, 235).
Aa
White text reads best on this color (4.93:1).
About this color
#6B59EB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.211 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.043 away. White text reads best on it, at 4.93:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.211) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.25:1 |
| White text | 4.93:1 |
Values
| HEX | #6B59EB |
| RGB | rgb(107, 89, 235) |
| HSL | hsl(247, 78%, 64%) |
| OKLCH | oklch(56.5% 0.211 282.9) |
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 #6B59EB | 4.93:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #6B59EB | 4.25:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #6B59EB text on white | 4.93:1 | AA | Lc 73.7 | Content text, not long reading |
| #6B59EB text on black | 4.25:1 | AA large text | Lc -28.0 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E7E8FC
oklch(93.6% 0.027 283.6)
-
Step 200
200
#D3D5FC
oklch(88.4% 0.054 282.9)
-
Step 300
300
#B7B9FD
oklch(80.9% 0.096 282.7)
-
Step 400
400
#9492FB
oklch(70.7% 0.151 282.7)
-
Step 500
500
#7D72F9
oklch(63.1% 0.195 283)
-
Step 600
600 (this color)
#6B59EB
oklch(56.5% 0.211 282.9)
-
Step 700
700
#5845CA
oklch(49.2% 0.196 282.9)
-
Step 800
800
#473AA3
oklch(42.7% 0.162 282.7)
-
Step 900
900
#3B3381
oklch(37.6% 0.127 283.1)
-
Step 950
950
#221F4C
oklch(27% 0.081 282.6)
#6B59EB 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) | #0075F0 | 0.095 |
| Deuteranopia (no green cones) | #006BE8 | 0.090 |
| Tritanopia (no blue cones) | #2F7D9A | 0.179 |
| Achromatopsia (no color) | #707070 | 0.212 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B59EB
#6B59EB
oklch(56.5% 0.211 282.9)
- #837800
#837800
oklch(56.5% 0.119 103.1)
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 #6B59EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.043
- Light Indigo #6D5ACF ΔE 0.043
- Medium Slate Blue #7B68EE ΔE 0.044
- Slate Blue #6A5ACD ΔE 0.046
- Purpley #8756E4 ΔE 0.047
- Neon Blue #4361EE ΔE 0.052
- Warm Blue #4B57DB ΔE 0.053
- Iris #6258C4 ΔE 0.061
Use #6B59EB 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.