#402A55
Closest named color: Space Cadet (#2B2D42). oklch(33.2% 0.077 306.2), rgb(64, 42, 85).
Aa
White text reads best on this color (12.49:1).
About this color
#402A55 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.077 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.054 away. White text reads best on it, at 12.49:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.077) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.68:1 |
| White text | 12.49:1 |
Values
| HEX | #402A55 |
| RGB | rgb(64, 42, 85) |
| HSL | hsl(271, 34%, 25%) |
| OKLCH | oklch(33.2% 0.077 306.2) |
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 #402A55 | 12.49:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #402A55 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #402A55 text on white | 12.49:1 | AAA | Lc 98.3 | Preferred for body text |
| #402A55 text on black | 1.68:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DED4EA
oklch(88.5% 0.032 306.2)
-
Step 300
300
#CAB7DF
oklch(80.8% 0.059 306.6)
-
Step 400
400
#AF92CF
oklch(70.8% 0.093 305.9)
-
Step 500
500
#9C75C2
oklch(63.1% 0.12 306.6)
-
Step 600
600
#865DAE
oklch(55.6% 0.128 306)
-
Step 700
700
#724C96
oklch(49.1% 0.12 306.2)
-
Step 800
800
#5D3F79
oklch(42.8% 0.098 306.6)
-
Step 900
900 (this color)
#402A55
oklch(33.2% 0.077 306.2)
-
Step 950
950
#2C2039
oklch(27% 0.048 305.5)
#402A55 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) | #1F3357 | 0.057 |
| Deuteranopia (no green cones) | #243454 | 0.053 |
| Tritanopia (no blue cones) | #3D313B | 0.057 |
| Achromatopsia (no color) | #343434 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402A55
#402A55
oklch(33.2% 0.077 306.2)
- #2C3D08
#2C3D08
oklch(33.3% 0.078 126.3)
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 #402A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.054
- Prussian Blue #1D3557 ΔE 0.061
- Gunmetal #293241 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.071
- Onyx #343A40 ΔE 0.072
- Plum Purple #4E0550 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.074
- Deep Violet #490648 ΔE 0.074
Use #402A55 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.