#402E53
Closest named color: Space Cadet (#2B2D42). oklch(33.9% 0.067 305.5), rgb(64, 46, 83).
Aa
White text reads best on this color (12.11:1).
About this color
#402E53 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.067 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 0.050 away. White text reads best on it, at 12.11:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.73:1 |
| White text | 12.11:1 |
Values
| HEX | #402E53 |
| RGB | rgb(64, 46, 83) |
| HSL | hsl(269, 29%, 25%) |
| OKLCH | oklch(33.9% 0.067 305.5) |
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 #402E53 | 12.11:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #402E53 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #402E53 text on white | 12.11:1 | AAA | Lc 97.6 | Preferred for body text |
| #402E53 text on black | 1.73:1 | 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
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C8B9DB
oklch(80.9% 0.05 305.3)
-
Step 400
400
#AC94C9
oklch(70.7% 0.08 305.1)
-
Step 500
500
#9879BB
oklch(63.1% 0.102 305.2)
-
Step 600
600
#8361A7
oklch(55.6% 0.111 305.4)
-
Step 700
700
#6F508F
oklch(49.1% 0.103 305.6)
-
Step 800
800
#5A4274
oklch(42.7% 0.085 305.2)
-
Step 900
900 (this color)
#402E53
oklch(33.9% 0.067 305.5)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#402E53 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) | #253554 | 0.047 |
| Deuteranopia (no green cones) | #293652 | 0.044 |
| Tritanopia (no blue cones) | #3D343C | 0.050 |
| Achromatopsia (no color) | #363636 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402E53
#402E53
oklch(33.9% 0.067 305.5)
- #2F3E14
#2F3E14
oklch(34% 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 #402E53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.056
- Onyx #343A40 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.075
- Dark Grey Blue #29465B ΔE 0.076
- Grape Purple #5D1451 ΔE 0.077
Use #402E53 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.