#402E40
Closest named color: Space Cadet (#2B2D42). oklch(32.9% 0.04 326.4), rgb(64, 46, 64).
Aa
White text reads best on this color (12.47:1).
About this color
#402E40 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.040 and its hue 326°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.039 away. White text reads best on it, at 12.47:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #402E40 |
| RGB | rgb(64, 46, 64) |
| HSL | hsl(300, 16%, 22%) |
| OKLCH | oklch(32.9% 0.04 326.4) |
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 #402E40 | 12.47:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #402E40 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #402E40 text on white | 12.47:1 | AAA | Lc 98.3 | Preferred for body text |
| #402E40 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#DFD5DF
oklch(88.4% 0.017 325.7)
-
Step 300
300
#CBBACB
oklch(80.8% 0.03 325.9)
-
Step 400
400
#B197B1
oklch(70.8% 0.048 326.1)
-
Step 500
500
#9D7D9D
oklch(63.1% 0.06 326.3)
-
Step 600
600
#886688
oklch(55.6% 0.066 326.4)
-
Step 700
700
#735473
oklch(49% 0.062 326.5)
-
Step 800
800
#5E455E
oklch(42.7% 0.052 326.4)
-
Step 900
900 (this color)
#402E40
oklch(32.9% 0.04 326.4)
-
Step 950
950
#2D222D
oklch(26.9% 0.026 326.3)
#402E40 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) | #2D3241 | 0.035 |
| Deuteranopia (no green cones) | #31353F | 0.034 |
| Tritanopia (no blue cones) | #412F34 | 0.023 |
| Achromatopsia (no color) | #343434 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402E40
#402E40
oklch(32.9% 0.04 326.4)
- #283B29
#283B29
oklch(33% 0.04 145.9)
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 #402E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.041
- Onyx #343A40 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.065
- Oxford Blue #1B263B ΔE 0.074
- Midnight Green #073B4C ΔE 0.077
Use #402E40 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.