#402E59
Closest named color: Prussian Blue (#1D3557). oklch(34.3% 0.076 301.9), rgb(64, 46, 89).
Aa
White text reads best on this color (11.97:1).
About this color
#402E59 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.076 and its hue 302°. 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 11.97:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.75:1 |
| White text | 11.97:1 |
Values
| HEX | #402E59 |
| RGB | rgb(64, 46, 89) |
| HSL | hsl(265, 32%, 26%) |
| OKLCH | oklch(34.3% 0.076 301.9) |
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 #402E59 | 11.97:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #402E59 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #402E59 text on white | 11.97:1 | AAA | Lc 97.3 | Preferred for body text |
| #402E59 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD5EB
oklch(88.6% 0.031 302.3)
-
Step 300
300
#C7B9E0
oklch(81% 0.056 301.5)
-
Step 400
400
#AB93D0
oklch(70.7% 0.091 302.2)
-
Step 500
500
#9678C4
oklch(63.1% 0.115 301.4)
-
Step 600
600
#815FB0
oklch(55.5% 0.126 301.8)
-
Step 700
700
#6D4E97
oklch(49% 0.117 301.9)
-
Step 800
800
#59407B
oklch(42.6% 0.098 302)
-
Step 900
900 (this color)
#402E59
oklch(34.3% 0.076 301.9)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#402E59 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) | #22365B | 0.051 |
| Deuteranopia (no green cones) | #263658 | 0.047 |
| Tritanopia (no blue cones) | #3B353F | 0.057 |
| Achromatopsia (no color) | #373737 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402E59
#402E59
oklch(34.3% 0.076 301.9)
- #323E09
#323E09
oklch(34.1% 0.075 121.9)
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 #402E59, 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 0.057
- Gunmetal #293241 ΔE 0.063
- Onyx #343A40 ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.069
- Grape Purple #5D1451 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.077
- Marine Blue #01386A ΔE 0.078
Use #402E59 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.