#403467
Closest named color: Prussian Blue (#1D3557). oklch(36.4% 0.086 292.4), rgb(64, 52, 103).
Aa
White text reads best on this color (11.02:1).
About this color
#403467 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.086 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.061 away. White text reads best on it, at 11.02:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.086) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.90:1 |
| White text | 11.02:1 |
Values
| HEX | #403467 |
| RGB | rgb(64, 52, 103) |
| HSL | hsl(254, 33%, 30%) |
| OKLCH | oklch(36.4% 0.086 292.4) |
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 #403467 | 11.02:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #403467 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #403467 text on white | 11.02:1 | AAA | Lc 95.4 | Preferred for body text |
| #403467 text on black | 1.90:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F6
oklch(93.7% 0.019 292.6)
-
Step 200
200
#D9D5EF
oklch(88.4% 0.036 292.7)
-
Step 300
300
#C1BAE7
oklch(81% 0.063 292.1)
-
Step 400
400
#A294DC
oklch(70.6% 0.104 292.4)
-
Step 500
500
#8C79D2
oklch(63.1% 0.132 292)
-
Step 600
600
#7760BF
oklch(55.6% 0.143 292.2)
-
Step 700
700
#644FA5
oklch(49.1% 0.133 292)
-
Step 800
800
#524185
oklch(42.7% 0.11 292.7)
-
Step 900
900 (this color)
#403467
oklch(36.4% 0.086 292.4)
-
Step 950
950
#27213F
oklch(27% 0.055 291.5)
#403467 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) | #223D69 | 0.048 |
| Deuteranopia (no green cones) | #243B66 | 0.045 |
| Tritanopia (no blue cones) | #363E48 | 0.071 |
| Achromatopsia (no color) | #3C3C3C | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403467
#403467
oklch(36.4% 0.086 292.4)
- #3F4200
#3F4200
oklch(36.4% 0.081 112.7)
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 #403467, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.069
- Marine Blue #01386A ΔE 0.070
- Twilight Blue #0A437A ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.077
- Onyx #343A40 ΔE 0.079
Use #403467 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.