#402F49
Closest named color: Space Cadet (#2B2D42). oklch(33.6% 0.05 313.5), rgb(64, 47, 73).
Aa
White text reads best on this color (12.20:1).
About this color
#402F49 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.050 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.042 away. White text reads best on it, at 12.20:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.72:1 |
| White text | 12.20:1 |
Values
| HEX | #402F49 |
| RGB | rgb(64, 47, 73) |
| HSL | hsl(279, 22%, 24%) |
| OKLCH | oklch(33.6% 0.05 313.5) |
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 #402F49 | 12.20:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #402F49 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #402F49 text on white | 12.20:1 | AAA | Lc 97.8 | Preferred for body text |
| #402F49 text on black | 1.72:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#C9BAD2
oklch(80.9% 0.037 313)
-
Step 400
400
#AE96BB
oklch(70.7% 0.059 313.7)
-
Step 500
500
#9A7CAA
oklch(63.1% 0.076 313.6)
-
Step 600
600
#856596
oklch(55.7% 0.083 313.5)
-
Step 700
700
#705380
oklch(49% 0.078 313.1)
-
Step 800
800
#5C4468
oklch(42.7% 0.065 314.1)
-
Step 900
900 (this color)
#402F49
oklch(33.6% 0.05 313.5)
-
Step 950
950
#2C2231
oklch(27% 0.031 314.3)
#402F49 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) | #2B344A | 0.038 |
| Deuteranopia (no green cones) | #2F3648 | 0.036 |
| Tritanopia (no blue cones) | #3F3238 | 0.035 |
| Achromatopsia (no color) | #353535 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #402F49
#402F49
oklch(33.6% 0.05 313.5)
- #2C3C21
#2C3C21
oklch(33.4% 0.05 133.4)
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 #402F49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.045
- Onyx #343A40 ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.059
- Charcoal Grey #3C4142 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.074
- Midnight Green #073B4C ΔE 0.076
Use #402F49 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.