#40274B
Closest named color: Space Cadet (#2B2D42). oklch(32% 0.069 314.9), rgb(64, 39, 75).
Aa
White text reads best on this color (13.04:1).
About this color
#40274B is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.069 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.047 away. White text reads best on it, at 13.04:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.60:1 |
| White text | 13.04:1 |
Values
| HEX | #40274B |
| RGB | rgb(64, 39, 75) |
| HSL | hsl(282, 32%, 22%) |
| OKLCH | oklch(32% 0.069 314.9) |
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 #40274B | 13.04:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #40274B | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #40274B text on white | 13.04:1 | AAA | Lc 99.2 | Preferred for body text |
| #40274B text on black | 1.60:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D1EE
oklch(88.6% 0.045 315.5)
-
Step 300
300
#D5B1E6
oklch(80.9% 0.083 314.8)
-
Step 400
400
#BF86D9
oklch(70.7% 0.132 314.7)
-
Step 500
500
#AF65CE
oklch(63.1% 0.168 315.1)
-
Step 600
600
#9A49BB
oklch(55.6% 0.182 314.9)
-
Step 700
700
#8339A1
oklch(49% 0.17 314.8)
-
Step 800
800
#6B3083
oklch(42.7% 0.142 314.9)
-
Step 900
900
#572C69
oklch(37.8% 0.11 314.9)
-
Step 950
950 (this color)
#40274B
oklch(32% 0.069 314.9)
#40274B 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) | #202F4C | 0.058 |
| Deuteranopia (no green cones) | #27324A | 0.053 |
| Tritanopia (no blue cones) | #3F2C35 | 0.047 |
| Achromatopsia (no color) | #313131 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40274B
#40274B
oklch(32% 0.069 314.9)
- #233A14
#233A14
oklch(31.9% 0.068 134.7)
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 #40274B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.047
- Gunmetal #293241 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.067
- Deep Violet #490648 ΔE 0.067
- Plum Purple #4E0550 ΔE 0.069
- Onyx #343A40 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.070
- Eggplant Purple #430541 ΔE 0.071
Use #40274B 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.