#6740A2
Closest named color: Rebecca Purple (#663399). oklch(46.7% 0.153 298.7), rgb(103, 64, 162).
Aa
White text reads best on this color (7.41:1).
About this color
#6740A2 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.153 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 7.41:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.83:1 |
| White text | 7.41:1 |
Values
| HEX | #6740A2 |
| RGB | rgb(103, 64, 162) |
| HSL | hsl(264, 43%, 44%) |
| OKLCH | oklch(46.7% 0.153 298.7) |
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 #6740A2 | 7.41:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #6740A2 | 2.83:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #6740A2 text on white | 7.41:1 | AAA | Lc 85.4 | Fine for body text |
| #6740A2 text on black | 2.83:1 | Fails | Lc -16.6 | 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 700.
-
Step 50
50
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C6B7EA
oklch(80.9% 0.073 298.2)
-
Step 400
400
#AA90E0
oklch(70.7% 0.117 298.3)
-
Step 500
500
#9672D7
oklch(63.1% 0.15 298.4)
-
Step 600
600
#8258C4
oklch(55.6% 0.163 299)
-
Step 700
700 (this color)
#6740A2
oklch(46.7% 0.153 298.7)
-
Step 800
800
#593B89
oklch(42.6% 0.126 298.7)
-
Step 900
900
#49336E
oklch(37.6% 0.099 298.8)
-
Step 950
950
#2B1F40
oklch(27.1% 0.061 299.1)
#6740A2 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) | #0255A5 | 0.113 |
| Deuteranopia (no green cones) | #1C54A0 | 0.104 |
| Tritanopia (no blue cones) | #5A556B | 0.117 |
| Achromatopsia (no color) | #555555 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6740A2
#6740A2
oklch(46.7% 0.153 298.7)
- #546200
#546200
oklch(46.8% 0.11 119)
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 #6740A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Bluey Purple #6241C7 ΔE 0.060
- Blueberry #464196 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Twilight #4E518B ΔE 0.071
- Iris #6258C4 ΔE 0.074
- Blurple #5539CC ΔE 0.077
Use #6740A2 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.