#6775D2
Closest named color: Dark Periwinkle (#665FD1). oklch(59.5% 0.142 274.8), rgb(103, 117, 210).
Aa
Black text reads best on this color (5.05:1).
About this color
#6775D2 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.142 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Periwinkle (#665FD1), ΔE 0.055 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Periwinkle (#665FD1) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #6775D2 |
| RGB | rgb(103, 117, 210) |
| HSL | hsl(232, 54%, 61%) |
| OKLCH | oklch(59.5% 0.142 274.8) |
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 #6775D2 | 4.15:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #6775D2 | 5.05:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #6775D2 text on white | 4.15:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #6775D2 text on black | 5.05:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D1D8F3
oklch(88.5% 0.038 274.1)
-
Step 300
300
#B3BEEE
oklch(80.9% 0.069 274.7)
-
Step 400
400
#8C9BE6
oklch(70.8% 0.111 274.6)
-
Step 500
500 (this color)
#6775D2
oklch(59.5% 0.142 274.8)
-
Step 600
600
#5B67CC
oklch(55.6% 0.155 275.1)
-
Step 700
700
#4B55B0
oklch(49% 0.143 275.1)
-
Step 800
800
#3D468F
oklch(42.6% 0.12 274.9)
-
Step 900
900
#343C72
oklch(37.8% 0.092 274.8)
-
Step 950
950
#1E2343
oklch(26.9% 0.06 275)
#6775D2 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) | #4E81D5 | 0.039 |
| Deuteranopia (no green cones) | #4378D0 | 0.041 |
| Tritanopia (no blue cones) | #398999 | 0.126 |
| Achromatopsia (no color) | #7C7C7C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6775D2
#6775D2
oklch(59.5% 0.142 274.8)
- #967D00
#967D00
oklch(59.6% 0.122 94.9)
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 #6775D2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Periwinkle #665FD1 ΔE 0.055
- Soft Blue #6488EA ΔE 0.056
- Cornflower #6A79F7 ΔE 0.056
- Windows Blue #3778BF ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.061
- Royal Blue #4169E1 ΔE 0.063
- Light Indigo #6D5ACF ΔE 0.066
- Slate Blue #6A5ACD ΔE 0.066
Use #6775D2 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.