#40273A
Closest named color: Space Cadet (#2B2D42). oklch(31.1% 0.048 335.9), rgb(64, 39, 58).
Aa
White text reads best on this color (13.38:1).
About this color
#40273A is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.048 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.042 away. White text reads best on it, at 13.38:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.048) |
| Temperature | warm |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.38:1 |
Values
| HEX | #40273A |
| RGB | rgb(64, 39, 58) |
| HSL | hsl(314, 24%, 20%) |
| OKLCH | oklch(31.1% 0.048 335.9) |
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 #40273A | 13.38:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #40273A | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #40273A text on white | 13.38:1 | AAA | Lc 99.7 | Preferred for body text |
| #40273A text on black | 1.56:1 | 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
#F9F4F7
oklch(97.2% 0.007 340.4)
-
Step 100
100
#F1E6EE
oklch(93.6% 0.016 335.1)
-
Step 200
200
#E7D2E1
oklch(88.5% 0.031 335.9)
-
Step 300
300
#D9B3CF
oklch(80.9% 0.057 335.6)
-
Step 400
400
#C58BB6
oklch(70.7% 0.091 336.3)
-
Step 500
500
#B56DA4
oklch(63.1% 0.116 336.1)
-
Step 600
600
#A0538F
oklch(55.5% 0.127 336.1)
-
Step 700
700
#89437A
oklch(49.1% 0.119 336)
-
Step 800
800
#6F3863
oklch(42.7% 0.097 335.9)
-
Step 900
900
#5A3151
oklch(37.7% 0.075 335.6)
-
Step 950
950 (this color)
#40273A
oklch(31.1% 0.048 335.9)
#40273A 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) | #272D3B | 0.048 |
| Deuteranopia (no green cones) | #2D3039 | 0.044 |
| Tritanopia (no blue cones) | #42282E | 0.023 |
| Achromatopsia (no color) | #2F2F2F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40273A
#40273A
oklch(31.1% 0.048 335.9)
- #1A3826
#1A3826
oklch(31.1% 0.049 155.8)
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 #40273A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.050
- Onyx #343A40 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.069
- Jet #212529 ΔE 0.069
- Dark #1B2431 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.076
- Aubergine #3D0734 ΔE 0.077
Use #40273A 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.