#675FA4
Closest named color: French Blue (#436BAD). oklch(52.4% 0.107 287.4), rgb(103, 95, 164).
Aa
White text reads best on this color (5.60:1).
About this color
#675FA4 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.107 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.053 away. White text reads best on it, at 5.60:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #675FA4 |
| RGB | rgb(103, 95, 164) |
| HSL | hsl(247, 27%, 51%) |
| OKLCH | oklch(52.4% 0.107 287.4) |
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 #675FA4 | 5.60:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #675FA4 | 3.74:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #675FA4 text on white | 5.60:1 | AA | Lc 77.9 | Fine for body text |
| #675FA4 text on black | 3.74:1 | AA large text | Lc -23.9 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BEBCDF
oklch(80.8% 0.049 287.9)
-
Step 400
400
#9D9ACF
oklch(70.8% 0.077 286.9)
-
Step 500
500
#8680C2
oklch(63.2% 0.098 287.4)
-
Step 600
600 (this color)
#675FA4
oklch(52.4% 0.107 287.4)
-
Step 700
700
#5E5796
oklch(49.2% 0.099 287.3)
-
Step 800
800
#4D4779
oklch(42.7% 0.082 287.9)
-
Step 900
900
#403C62
oklch(37.8% 0.064 287.7)
-
Step 950
950
#252339
oklch(26.9% 0.041 287.5)
#675FA4 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) | #4869A7 | 0.047 |
| Deuteranopia (no green cones) | #4766A2 | 0.046 |
| Tritanopia (no blue cones) | #576C79 | 0.091 |
| Achromatopsia (no color) | #686868 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #675FA4
#675FA4
oklch(52.4% 0.107 287.4)
- #716E11
#716E11
oklch(52.4% 0.107 107.6)
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 #675FA4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.053
- Dusky Blue #475F94 ΔE 0.054
- Iris #6258C4 ΔE 0.057
- Muted Purple #805B87 ΔE 0.060
- Dark Lavender #856798 ΔE 0.060
- Dusty Purple #825F87 ΔE 0.064
- Twilight #4E518B ΔE 0.067
- Slate Blue #6A5ACD ΔE 0.068
Use #675FA4 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.