#6758EB
Closest named color: Dark Periwinkle (#665FD1). oklch(56% 0.213 281.7), rgb(103, 88, 235).
Aa
White text reads best on this color (5.03:1).
About this color
#6758EB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.213 and its hue 282°. 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 5.03:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #6758EB |
| RGB | rgb(103, 88, 235) |
| HSL | hsl(246, 79%, 63%) |
| OKLCH | oklch(56% 0.213 281.7) |
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 #6758EB | 5.03:1 | AA | Lc -79.7 | Fine for body text |
| Black text on #6758EB | 4.17:1 | AA large text | Lc 29.8 | Dividers and decoration only |
| #6758EB text on white | 5.03:1 | AA | Lc 74.3 | Content text, not long reading |
| #6758EB text on black | 4.17:1 | AA large text | Lc -27.4 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FD
oklch(93.6% 0.028 281.5)
-
Step 200
200
#D3D6FC
oklch(88.6% 0.052 281.7)
-
Step 300
300
#B6BAFD
oklch(81% 0.094 281.4)
-
Step 400
400
#9292FD
oklch(70.6% 0.154 281.7)
-
Step 500
500
#7A73FA
oklch(63.1% 0.195 281.6)
-
Step 600
600 (this color)
#6758EB
oklch(56% 0.213 281.7)
-
Step 700
700
#5545CB
oklch(49% 0.198 281.6)
-
Step 800
800
#453AA4
oklch(42.6% 0.164 281.6)
-
Step 900
900
#393482
oklch(37.7% 0.127 281.3)
-
Step 950
950
#211F4C
oklch(26.9% 0.081 281.5)
#6758EB 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) | #0074F0 | 0.091 |
| Deuteranopia (no green cones) | #006AE8 | 0.085 |
| Tritanopia (no blue cones) | #207C99 | 0.181 |
| Achromatopsia (no color) | #6F6F6F | 0.214 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6758EB
#6758EB
oklch(56% 0.213 281.7)
- #837600
#837600
oklch(56% 0.117 101.7)
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 #6758EB, 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 0.044
- Slate Blue #6A5ACD ΔE 0.047
- Warm Blue #4B57DB ΔE 0.047
- Neon Blue #4361EE ΔE 0.047
- Medium Slate Blue #7B68EE ΔE 0.050
- Purpley #8756E4 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.059
Use #6758EB 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.