#40274D
Closest named color: Space Cadet (#2B2D42). oklch(32.1% 0.072 313.2), rgb(64, 39, 77).
Aa
White text reads best on this color (13.00:1).
About this color
#40274D is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.072 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.048 away. White text reads best on it, at 13.00:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.00:1 |
Values
| HEX | #40274D |
| RGB | rgb(64, 39, 77) |
| HSL | hsl(279, 33%, 23%) |
| OKLCH | oklch(32.1% 0.072 313.2) |
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 #40274D | 13.00:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #40274D | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #40274D text on white | 13.00:1 | AAA | Lc 99.1 | Preferred for body text |
| #40274D text on black | 1.61:1 | 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
#F0E5F6
oklch(93.6% 0.025 314)
-
Step 200
200
#E4D1F0
oklch(88.6% 0.047 312.5)
-
Step 300
300
#D4B1E8
oklch(80.9% 0.085 313.1)
-
Step 400
400
#BE86DD
oklch(70.7% 0.136 312.8)
-
Step 500
500
#AE64D3
oklch(63.1% 0.175 313.2)
-
Step 600
600
#9947C0
oklch(55.6% 0.19 313.1)
-
Step 700
700
#8338A6
oklch(49.2% 0.176 313.2)
-
Step 800
800
#6A2F86
oklch(42.6% 0.146 313.2)
-
Step 900
900
#562B6B
oklch(37.6% 0.113 313.3)
-
Step 950
950 (this color)
#40274D
oklch(32.1% 0.072 313.2)
#40274D 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) | #1F304E | 0.060 |
| Deuteranopia (no green cones) | #26324C | 0.054 |
| Tritanopia (no blue cones) | #3F2D36 | 0.050 |
| Achromatopsia (no color) | #313131 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40274D
#40274D
oklch(32.1% 0.072 313.2)
- #243B11
#243B11
oklch(32.2% 0.072 133.3)
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 #40274D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.048
- Gunmetal #293241 ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.066
- Deep Violet #490648 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.069
- Eggplant Purple #430541 ΔE 0.071
- Onyx #343A40 ΔE 0.072
Use #40274D 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.