#40233B
Closest named color: Space Cadet (#2B2D42). oklch(30.4% 0.058 333.4), rgb(64, 35, 59).
Aa
White text reads best on this color (13.80:1).
About this color
#40233B is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.058 and its hue 333°. 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 13.80:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.52:1 |
| White text | 13.80:1 |
Values
| HEX | #40233B |
| RGB | rgb(64, 35, 59) |
| HSL | hsl(310, 29%, 19%) |
| OKLCH | oklch(30.4% 0.058 333.4) |
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 #40233B | 13.80:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #40233B | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #40233B text on white | 13.80:1 | AAA | Lc 100.2 | Preferred for body text |
| #40233B text on black | 1.52:1 | 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
#F3E5EF
oklch(93.6% 0.02 335.7)
-
Step 200
200
#E9D0E4
oklch(88.4% 0.038 332.6)
-
Step 300
300
#DDB1D4
oklch(81% 0.069 333.4)
-
Step 400
400
#CA86BD
oklch(70.7% 0.11 333.8)
-
Step 500
500
#BB66AD
oklch(63.1% 0.141 333.5)
-
Step 600
600
#A64B98
oklch(55.6% 0.153 333.7)
-
Step 700
700
#8E3C82
oklch(49.1% 0.142 333.5)
-
Step 800
800
#73326A
oklch(42.7% 0.118 333)
-
Step 900
900
#5E2D56
oklch(37.8% 0.092 333.7)
-
Step 950
950 (this color)
#40233B
oklch(30.4% 0.058 333.4)
#40233B 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) | #232A3C | 0.057 |
| Deuteranopia (no green cones) | #2A2E3A | 0.052 |
| Tritanopia (no blue cones) | #42252C | 0.030 |
| Achromatopsia (no color) | #2D2D2D | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40233B
#40233B
oklch(30.4% 0.058 333.4)
- #133721
#133721
oklch(30.3% 0.058 154.1)
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 #40233B, 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
- Aubergine #3D0734 ΔE 0.065
- Eggplant Purple #430541 ΔE 0.066
- Deep Violet #490648 ΔE 0.067
- Eggplant #380835 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.069
- Jet #212529 ΔE 0.071
Use #40233B 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.