#403695
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.15 282.1), rgb(64, 54, 149).
Aa
White text reads best on this color (9.63:1).
About this color
#403695 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.150 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.029 away. White text reads best on it, at 9.63:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.150) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #403695 |
| RGB | rgb(64, 54, 149) |
| HSL | hsl(246, 47%, 40%) |
| OKLCH | oklch(40.3% 0.15 282.1) |
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 #403695 | 9.63:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #403695 | 2.17:1 | Fails | Lc 12.1 | Not readable |
| #403695 text on white | 9.63:1 | AAA | Lc 91.9 | Preferred for body text |
| #403695 text on black | 2.17:1 | Fails | Lc -10.5 | 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
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B7BAF8
oklch(80.8% 0.087 282.1)
-
Step 400
400
#9494F5
oklch(70.7% 0.14 282.2)
-
Step 500
500
#7C76F1
oklch(63.1% 0.179 282.2)
-
Step 600
600
#675BDF
oklch(55.6% 0.194 282.2)
-
Step 700
700
#564AC2
oklch(49.2% 0.18 282)
-
Step 800
800 (this color)
#403695
oklch(40.3% 0.15 282.1)
-
Step 900
900
#3A367D
oklch(37.8% 0.117 281.8)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#403695 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) | #004898 | 0.066 |
| Deuteranopia (no green cones) | #004193 | 0.062 |
| Tritanopia (no blue cones) | #164D60 | 0.127 |
| Achromatopsia (no color) | #454545 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403695
#403695
oklch(40.3% 0.15 282.1)
- #524900
#524900
oklch(40.2% 0.084 101.3)
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 #403695, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.029
- Blueberry #464196 ΔE 0.030
- Sapphire #2138AB ΔE 0.054
- Cobalt #1E488F ΔE 0.058
- Imperial Purple #480CA8 ΔE 0.066
- Indigo Blue #3A18B1 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.069
- Chrysanthemum #560BAD ΔE 0.075
Use #403695 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.