#402D52
Closest named color: Space Cadet (#2B2D42). oklch(33.6% 0.067 306.8), rgb(64, 45, 82).
Aa
White text reads best on this color (12.24:1).
About this color
#402D52 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.067 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.049 away. White text reads best on it, at 12.24:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #402D52 |
| RGB | rgb(64, 45, 82) |
| HSL | hsl(271, 29%, 25%) |
| OKLCH | oklch(33.6% 0.067 306.8) |
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 #402D52 | 12.24:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #402D52 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #402D52 text on white | 12.24:1 | AAA | Lc 97.8 | Preferred for body text |
| #402D52 text on black | 1.71:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED5E8
oklch(88.6% 0.027 307)
-
Step 300
300
#C9B9DB
oklch(81% 0.05 306.5)
-
Step 400
400
#AE94C8
oklch(70.8% 0.08 307.2)
-
Step 500
500
#9A78BA
oklch(63.1% 0.103 307.3)
-
Step 600
600
#8460A6
oklch(55.5% 0.112 306.8)
-
Step 700
700
#704F8F
oklch(49% 0.105 306.7)
-
Step 800
800
#5B4174
oklch(42.6% 0.087 306.5)
-
Step 900
900 (this color)
#402D52
oklch(33.6% 0.067 306.8)
-
Step 950
950
#2C2137
oklch(27.1% 0.042 306.7)
#402D52 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) | #253453 | 0.048 |
| Deuteranopia (no green cones) | #293551 | 0.044 |
| Tritanopia (no blue cones) | #3D333B | 0.050 |
| Achromatopsia (no color) | #353535 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402D52
#402D52
oklch(33.6% 0.067 306.8)
- #2E3D13
#2E3D13
oklch(33.6% 0.067 126.3)
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 #402D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.057
- Onyx #343A40 ΔE 0.062
- Dark Blue Grey #1F3B4D ΔE 0.066
- Grape Purple #5D1451 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.076
- Dark Grey Blue #29465B ΔE 0.079
Use #402D52 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.