#3F294A
Closest named color: Space Cadet (#2B2D42). oklch(32.2% 0.063 313.8), rgb(63, 41, 74).
Aa
White text reads best on this color (12.90:1).
About this color
#3F294A is a dark, muted purple. In OKLCH its lightness is 32%, its chroma 0.063 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.042 away. White text reads best on it, at 12.90:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.90:1 |
Values
| HEX | #3F294A |
| RGB | rgb(63, 41, 74) |
| HSL | hsl(280, 29%, 23%) |
| OKLCH | oklch(32.2% 0.063 313.8) |
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 #3F294A | 12.90:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #3F294A | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #3F294A text on white | 12.90:1 | AAA | Lc 99.0 | Preferred for body text |
| #3F294A text on black | 1.62:1 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D2B3E3
oklch(80.9% 0.074 313.5)
-
Step 400
400
#BB89D5
oklch(70.6% 0.12 313.6)
-
Step 500
500
#AA6ACA
oklch(63.1% 0.153 313.5)
-
Step 600
600
#954FB6
oklch(55.5% 0.166 313.7)
-
Step 700
700
#7F3F9D
oklch(49% 0.155 313.6)
-
Step 800
800
#68357F
oklch(42.8% 0.128 314.1)
-
Step 900
900
#542F66
oklch(37.7% 0.099 313.6)
-
Step 950
950 (this color)
#3F294A
oklch(32.2% 0.063 313.8)
#3F294A 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) | #23304B | 0.051 |
| Deuteranopia (no green cones) | #293249 | 0.046 |
| Tritanopia (no blue cones) | #3E2E36 | 0.043 |
| Achromatopsia (no color) | #323232 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F294A
#3F294A
oklch(32.2% 0.063 313.8)
- #263A17
#263A17
oklch(32.2% 0.063 133.4)
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 #3F294A, 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 0.052
- Prussian Blue #1D3557 ΔE 0.062
- Onyx #343A40 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.070
- Oxford Blue #1B263B ΔE 0.073
- Deep Violet #490648 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.074
Use #3F294A 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.