#3B283F
Closest named color: Space Cadet (#2B2D42). oklch(30.9% 0.048 320.5), rgb(59, 40, 63).
Aa
White text reads best on this color (13.45:1).
About this color
#3B283F is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.048 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.031 away. White text reads best on it, at 13.45:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.048) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.45:1 |
Values
| HEX | #3B283F |
| RGB | rgb(59, 40, 63) |
| HSL | hsl(290, 22%, 20%) |
| OKLCH | oklch(30.9% 0.048 320.5) |
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 #3B283F | 13.45:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #3B283F | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #3B283F text on white | 13.45:1 | AAA | Lc 99.8 | Preferred for body text |
| #3B283F 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
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F1
oklch(93.5% 0.018 320.1)
-
Step 200
200
#E3D3E6
oklch(88.5% 0.031 320.9)
-
Step 300
300
#D2B5D7
oklch(80.9% 0.057 321.3)
-
Step 400
400
#BA8EC3
oklch(70.6% 0.09 320.6)
-
Step 500
500
#A971B4
oklch(63.1% 0.116 320.8)
-
Step 600
600
#9458A0
oklch(55.6% 0.126 320.8)
-
Step 700
700
#7E4889
oklch(49.1% 0.117 320.7)
-
Step 800
800
#663C6F
oklch(42.7% 0.095 320.4)
-
Step 900
900
#53335A
oklch(37.6% 0.076 320.2)
-
Step 950
950 (this color)
#3B283F
oklch(30.9% 0.048 320.5)
#3B283F 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) | #252D40 | 0.041 |
| Deuteranopia (no green cones) | #2A2F3E | 0.037 |
| Tritanopia (no blue cones) | #3B2B30 | 0.032 |
| Achromatopsia (no color) | #2F2F2F | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B283F
#3B283F
oklch(30.9% 0.048 320.5)
- #23361F
#23361F
oklch(30.9% 0.047 140.2)
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 #3B283F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.031
- Gunmetal #293241 ΔE 0.042
- Onyx #343A40 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.065
- Jet #212529 ΔE 0.066
- Dark #1B2431 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #3B283F 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.