#402E5A
Closest named color: Prussian Blue (#1D3557). oklch(34.3% 0.077 301.3), rgb(64, 46, 90).
Aa
White text reads best on this color (11.95:1).
About this color
#402E5A is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.077 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.057 away. White text reads best on it, at 11.95:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #402E5A |
| RGB | rgb(64, 46, 90) |
| HSL | hsl(265, 32%, 27%) |
| OKLCH | oklch(34.3% 0.077 301.3) |
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 #402E5A | 11.95:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #402E5A | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #402E5A text on white | 11.95:1 | AAA | Lc 97.3 | Preferred for body text |
| #402E5A 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DCD5EB
oklch(88.5% 0.031 300.3)
-
Step 300
300
#C7B8E1
oklch(80.8% 0.059 301.8)
-
Step 400
400
#AB93D1
oklch(70.7% 0.092 301.8)
-
Step 500
500
#9677C5
oklch(63% 0.118 301.4)
-
Step 600
600
#815FB2
oklch(55.6% 0.129 301.2)
-
Step 700
700
#6D4E99
oklch(49.1% 0.12 301.2)
-
Step 800
800
#59407C
oklch(42.7% 0.099 301.6)
-
Step 900
900 (this color)
#402E5A
oklch(34.3% 0.077 301.3)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#402E5A 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) | #22365C | 0.051 |
| Deuteranopia (no green cones) | #263759 | 0.048 |
| Tritanopia (no blue cones) | #3B363F | 0.061 |
| Achromatopsia (no color) | #373737 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402E5A
#402E5A
oklch(34.3% 0.077 301.3)
- #333E07
#333E07
oklch(34.2% 0.076 120.8)
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 #402E5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.058
- Gunmetal #293241 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.070
- Onyx #343A40 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.077
- Marine Blue #01386A ΔE 0.077
- Dark Grey Blue #29465B ΔE 0.078
Use #402E5A 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.