#40273F
Closest named color: Space Cadet (#2B2D42). oklch(31.4% 0.054 328.1), rgb(64, 39, 63).
Aa
White text reads best on this color (13.29:1).
About this color
#40273F is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.054 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 13.29:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.29:1 |
Values
| HEX | #40273F |
| RGB | rgb(64, 39, 63) |
| HSL | hsl(302, 24%, 20%) |
| OKLCH | oklch(31.4% 0.054 328.1) |
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 #40273F | 13.29:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #40273F | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #40273F text on white | 13.29:1 | AAA | Lc 99.6 | Preferred for body text |
| #40273F text on black | 1.57:1 | 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 950.
-
Step 50
50
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D8B3D6
oklch(81% 0.063 327.9)
-
Step 400
400
#C38AC1
oklch(70.8% 0.101 327.8)
-
Step 500
500
#B36BB1
oklch(63.1% 0.13 328)
-
Step 600
600
#9E519C
oklch(55.5% 0.141 328.2)
-
Step 700
700
#874186
oklch(49.1% 0.132 327.9)
-
Step 800
800
#6E366D
oklch(42.7% 0.11 327.9)
-
Step 900
900
#593058
oklch(37.7% 0.084 328)
-
Step 950
950 (this color)
#40273F
oklch(31.4% 0.054 328.1)
#40273F 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) | #262D40 | 0.049 |
| Deuteranopia (no green cones) | #2C313E | 0.047 |
| Tritanopia (no blue cones) | #422930 | 0.030 |
| Achromatopsia (no color) | #303030 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40273F
#40273F
oklch(31.4% 0.054 328.1)
- #1D3921
#1D3921
oklch(31.5% 0.055 147.5)
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 #40273F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Gunmetal #293241 ΔE 0.051
- Onyx #343A40 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.073
- Deep Violet #490648 ΔE 0.074
- Jet #212529 ΔE 0.074
- Eggplant Purple #430541 ΔE 0.075
Use #40273F 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.