#3A2139
Closest named color: Space Cadet (#2B2D42). oklch(29% 0.055 328.3), rgb(58, 33, 57).
Aa
White text reads best on this color (14.41:1).
About this color
#3A2139 is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.055 and its hue 328°. 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 14.41:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.41:1 |
Values
| HEX | #3A2139 |
| RGB | rgb(58, 33, 57) |
| HSL | hsl(302, 27%, 18%) |
| OKLCH | oklch(29% 0.055 328.3) |
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 #3A2139 | 14.41:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #3A2139 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #3A2139 text on white | 14.41:1 | AAA | Lc 101.1 | Preferred for body text |
| #3A2139 text on black | 1.45:1 | 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
#F1E6F0
oklch(93.6% 0.018 328.5)
-
Step 200
200
#E7D1E5
oklch(88.5% 0.036 328.7)
-
Step 300
300
#D8B2D6
oklch(80.8% 0.065 327.8)
-
Step 400
400
#C489C1
oklch(70.7% 0.104 328.3)
-
Step 500
500
#B46AB1
oklch(63.1% 0.132 328.5)
-
Step 600
600
#9F509D
oklch(55.6% 0.144 328.2)
-
Step 700
700
#884086
oklch(49.1% 0.134 328.4)
-
Step 800
800
#6E366D
oklch(42.7% 0.11 327.9)
-
Step 900
900
#5A2F58
oklch(37.7% 0.087 328.8)
-
Step 950
950 (this color)
#3A2139
oklch(29% 0.055 328.3)
#3A2139 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) | #1F283A | 0.053 |
| Deuteranopia (no green cones) | #262B38 | 0.047 |
| Tritanopia (no blue cones) | #3C232A | 0.031 |
| Achromatopsia (no color) | #2A2A2A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2139
#3A2139
oklch(29% 0.055 328.3)
- #16331B
#16331B
oklch(29.1% 0.056 147.8)
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 #3A2139, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.058
- Aubergine #3D0734 ΔE 0.058
- Eggplant #380835 ΔE 0.060
- Jet #212529 ΔE 0.061
- Dark #1B2431 ΔE 0.062
- Eggplant Purple #430541 ΔE 0.064
Use #3A2139 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.