#675DEB
Closest named color: Dark Periwinkle (#665FD1). oklch(56.8% 0.207 280.7), rgb(103, 93, 235).
Aa
White text reads best on this color (4.83:1).
About this color
#675DEB is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.207 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.040 away. White text reads best on it, at 4.83:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.207) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.34:1 |
| White text | 4.83:1 |
Values
| HEX | #675DEB |
| RGB | rgb(103, 93, 235) |
| HSL | hsl(244, 78%, 64%) |
| OKLCH | oklch(56.8% 0.207 280.7) |
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 #675DEB | 4.83:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #675DEB | 4.34:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #675DEB text on white | 4.83:1 | AA | Lc 73.1 | Content text, not long reading |
| #675DEB text on black | 4.34:1 | AA large text | Lc -28.6 | 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
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D2D6FB
oklch(88.5% 0.051 280.4)
-
Step 300
300
#B5BAFC
oklch(80.9% 0.093 280.7)
-
Step 400
400
#9194FB
oklch(70.8% 0.149 280.6)
-
Step 500
500
#7875F8
oklch(63.1% 0.19 280.5)
-
Step 600
600 (this color)
#675DEB
oklch(56.8% 0.207 280.7)
-
Step 700
700
#5348C9
oklch(49.2% 0.192 280.5)
-
Step 800
800
#443CA2
oklch(42.7% 0.159 280.8)
-
Step 900
900
#383581
oklch(37.8% 0.124 280.4)
-
Step 950
950
#21204B
oklch(27.1% 0.077 280.9)
#675DEB 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) | #0077F0 | 0.088 |
| Deuteranopia (no green cones) | #006CE8 | 0.082 |
| Tritanopia (no blue cones) | #1F7F9B | 0.177 |
| Achromatopsia (no color) | #727272 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #675DEB
#675DEB
oklch(56.8% 0.207 280.7)
- #877800
#877800
oklch(56.9% 0.119 100.6)
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 #675DEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.040
- Medium Slate Blue #7B68EE ΔE 0.042
- Light Indigo #6D5ACF ΔE 0.044
- Neon Blue #4361EE ΔE 0.045
- Slate Blue #6A5ACD ΔE 0.046
- Warm Blue #4B57DB ΔE 0.050
- Purpley #8756E4 ΔE 0.053
- Royal Blue #4169E1 ΔE 0.053
Use #675DEB 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.