#403696
Closest named color: Blueberry (#464196). oklch(40.3% 0.151 281.9), rgb(64, 54, 150).
Aa
White text reads best on this color (9.60:1).
About this color
#403696 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.151 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 9.60:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #403696 |
| RGB | rgb(64, 54, 150) |
| HSL | hsl(246, 47%, 40%) |
| OKLCH | oklch(40.3% 0.151 281.9) |
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 #403696 | 9.60:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #403696 | 2.18:1 | Fails | Lc 12.2 | Not readable |
| #403696 text on white | 9.60:1 | AAA | Lc 91.8 | Preferred for body text |
| #403696 text on black | 2.18:1 | Fails | Lc -10.6 | Not readable |
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 800.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B7BAF9
oklch(80.9% 0.089 282.1)
-
Step 400
400
#9394F6
oklch(70.7% 0.142 281.7)
-
Step 500
500
#7B76F2
oklch(63.1% 0.18 281.7)
-
Step 600
600
#675BE0
oklch(55.7% 0.195 282.1)
-
Step 700
700
#5649C3
oklch(49.1% 0.183 282.1)
-
Step 800
800 (this color)
#403696
oklch(40.3% 0.151 281.9)
-
Step 900
900
#3A357D
oklch(37.6% 0.118 282.2)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#403696 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) | #004899 | 0.066 |
| Deuteranopia (no green cones) | #004194 | 0.062 |
| Tritanopia (no blue cones) | #144E61 | 0.129 |
| Achromatopsia (no color) | #454545 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403696
#403696
oklch(40.3% 0.151 281.9)
- #524A00
#524A00
oklch(40.4% 0.085 102.4)
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 #403696, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Dark Slate Blue #483D8B ΔE 0.030
- Sapphire #2138AB ΔE 0.053
- Cobalt #1E488F ΔE 0.058
- Imperial Purple #480CA8 ΔE 0.066
- Indigo Blue #3A18B1 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.069
- Chrysanthemum #560BAD ΔE 0.074
Use #403696 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.