#6764C0
Closest named color: Dark Periwinkle (#665FD1). oklch(55.1% 0.14 282.3), rgb(103, 100, 192).
Aa
White text reads best on this color (5.04:1).
About this color
#6764C0 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.140 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.031 away. White text reads best on it, at 5.04:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #6764C0 |
| RGB | rgb(103, 100, 192) |
| HSL | hsl(242, 42%, 57%) |
| OKLCH | oklch(55.1% 0.14 282.3) |
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 #6764C0 | 5.04:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #6764C0 | 4.16:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #6764C0 text on white | 5.04:1 | AA | Lc 74.7 | Content text, not long reading |
| #6764C0 text on black | 4.16:1 | AA large text | Lc -27.0 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D5D7F0
oklch(88.5% 0.034 282)
-
Step 300
300
#BABCE9
oklch(80.9% 0.063 282.9)
-
Step 400
400
#9799DE
oklch(70.8% 0.1 282.2)
-
Step 500
500
#7E7ED5
oklch(63.1% 0.129 282.1)
-
Step 600
600 (this color)
#6764C0
oklch(55.1% 0.14 282.3)
-
Step 700
700
#5754A7
oklch(49.1% 0.129 282.2)
-
Step 800
800
#474588
oklch(42.7% 0.108 282.1)
-
Step 900
900
#3B3B6C
oklch(37.7% 0.083 281.7)
-
Step 950
950
#232340
oklch(27.2% 0.053 282.3)
#6764C0 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) | #3D72C3 | 0.057 |
| Deuteranopia (no green cones) | #386CBE | 0.057 |
| Tritanopia (no blue cones) | #497789 | 0.119 |
| Achromatopsia (no color) | #6F6F6F | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6764C0
#6764C0
oklch(55.1% 0.14 282.3)
- #7F7300
#7F7300
oklch(54.9% 0.115 102.2)
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 #6764C0, closest first.
No curated palette has a color within ΔE 0.04 of #6764C0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.031
- Iris #6258C4 ΔE 0.033
- Slate Blue #6A5ACD ΔE 0.034
- Light Indigo #6D5ACF ΔE 0.036
- French Blue #436BAD ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.063
- Royal Blue #4169E1 ΔE 0.067
- Warm Blue #4B57DB ΔE 0.069
Use #6764C0 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.