#40294E
Closest named color: Space Cadet (#2B2D42). oklch(32.6% 0.069 311.7), rgb(64, 41, 78).
Aa
White text reads best on this color (12.76:1).
About this color
#40294E is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.069 and its hue 312°. 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 12.76:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.64:1 |
| White text | 12.76:1 |
Values
| HEX | #40294E |
| RGB | rgb(64, 41, 78) |
| HSL | hsl(277, 31%, 23%) |
| OKLCH | oklch(32.6% 0.069 311.7) |
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 #40294E | 12.76:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #40294E | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #40294E text on white | 12.76:1 | AAA | Lc 98.7 | Preferred for body text |
| #40294E text on black | 1.64:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E7
oklch(88.4% 0.028 311.3)
-
Step 300
300
#CCB8DA
oklch(81% 0.052 311.4)
-
Step 400
400
#B292C7
oklch(70.7% 0.083 311.6)
-
Step 500
500
#9F76B8
oklch(63.1% 0.106 312)
-
Step 600
600
#8A5EA4
oklch(55.7% 0.115 312)
-
Step 700
700
#754D8D
oklch(49.1% 0.108 311.8)
-
Step 800
800
#5F3F72
oklch(42.6% 0.09 311.9)
-
Step 900
900 (this color)
#40294E
oklch(32.6% 0.069 311.7)
-
Step 950
950
#2E2036
oklch(27.1% 0.044 312.7)
#40294E 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) | #21314F | 0.056 |
| Deuteranopia (no green cones) | #27334D | 0.051 |
| Tritanopia (no blue cones) | #3F2E37 | 0.048 |
| Achromatopsia (no color) | #323232 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40294E
#40294E
oklch(32.6% 0.069 311.7)
- #273B12
#273B12
oklch(32.5% 0.069 131.2)
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 #40294E, 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 0.057
- Prussian Blue #1D3557 ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.071
- Deep Violet #490648 ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.073
- Plum Purple #4E0550 ΔE 0.073
Use #40294E 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.