#402C61
Closest named color: Prussian Blue (#1D3557). oklch(34.4% 0.091 299), rgb(64, 44, 97).
Aa
White text reads best on this color (11.99:1).
About this color
#402C61 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.091 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.063 away. White text reads best on it, at 11.99:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.75:1 |
| White text | 11.99:1 |
Values
| HEX | #402C61 |
| RGB | rgb(64, 44, 97) |
| HSL | hsl(263, 38%, 28%) |
| OKLCH | oklch(34.4% 0.091 299) |
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 #402C61 | 11.99:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #402C61 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #402C61 text on white | 11.99:1 | AAA | Lc 97.3 | Preferred for body text |
| #402C61 text on black | 1.75:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4EF
oklch(88.5% 0.038 299.2)
-
Step 300
300
#C6B7E7
oklch(80.8% 0.069 299.2)
-
Step 400
400
#AA91DB
oklch(70.7% 0.109 299.1)
-
Step 500
500
#9674D1
oklch(63.1% 0.139 299.3)
-
Step 600
600
#815BBF
oklch(55.7% 0.152 298.9)
-
Step 700
700
#6D4AA4
oklch(49.1% 0.141 299.1)
-
Step 800
800
#593D85
oklch(42.7% 0.117 299.4)
-
Step 900
900 (this color)
#402C61
oklch(34.4% 0.091 299)
-
Step 950
950
#2A1F3E
oklch(26.8% 0.057 298.8)
#402C61 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) | #193663 | 0.061 |
| Deuteranopia (no green cones) | #1E3660 | 0.057 |
| Tritanopia (no blue cones) | #393642 | 0.070 |
| Achromatopsia (no color) | #373737 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402C61
#402C61
oklch(34.4% 0.091 299)
- #353E00
#353E00
oklch(34.3% 0.08 118.5)
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 #402C61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.069
- Gunmetal #293241 ΔE 0.076
- Grape Purple #5D1451 ΔE 0.076
- Marine Blue #01386A ΔE 0.077
- Royal Purple #4B006E ΔE 0.078
- Marine #042E60 ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.080
Use #402C61 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.