#40314B
Closest named color: Space Cadet (#2B2D42). oklch(34.1% 0.048 310.3), rgb(64, 49, 75).
Aa
White text reads best on this color (11.93:1).
About this color
#40314B is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.048 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 11.93:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.75:1 |
| White text | 11.93:1 |
Values
| HEX | #40314B |
| RGB | rgb(64, 49, 75) |
| HSL | hsl(275, 21%, 24%) |
| OKLCH | oklch(34.1% 0.048 310.3) |
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 #40314B | 11.93:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #40314B | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #40314B text on white | 11.93:1 | AAA | Lc 97.3 | Preferred for body text |
| #40314B text on black | 1.75:1 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E3
oklch(88.5% 0.019 309.8)
-
Step 300
300
#C8BAD3
oklch(80.8% 0.038 310.4)
-
Step 400
400
#AC97BC
oklch(70.7% 0.058 310.4)
-
Step 500
500
#977DAB
oklch(63% 0.074 310)
-
Step 600
600
#826697
oklch(55.7% 0.081 310)
-
Step 700
700
#6E5481
oklch(49.1% 0.076 310.2)
-
Step 800
800
#5A4568
oklch(42.7% 0.062 311.3)
-
Step 900
900 (this color)
#40314B
oklch(34.1% 0.048 310.3)
-
Step 950
950
#2B2232
oklch(26.9% 0.032 309.9)
#40314B 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) | #2D364C | 0.034 |
| Deuteranopia (no green cones) | #30374A | 0.032 |
| Tritanopia (no blue cones) | #3F343A | 0.035 |
| Achromatopsia (no color) | #373737 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40314B
#40314B
oklch(34.1% 0.048 310.3)
- #303D22
#303D22
oklch(34% 0.048 129.6)
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 #40314B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Onyx #343A40 ΔE 0.044
- Gunmetal #293241 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.069
- Charcoal #264653 ΔE 0.071
Use #40314B 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.