#3D283B
Closest named color: Space Cadet (#2B2D42). oklch(31% 0.044 329.9), rgb(61, 40, 59).
Aa
White text reads best on this color (13.41:1).
About this color
#3D283B is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.044 and its hue 330°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.036 away. White text reads best on it, at 13.41:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.56:1 |
| White text | 13.41:1 |
Values
| HEX | #3D283B |
| RGB | rgb(61, 40, 59) |
| HSL | hsl(306, 21%, 20%) |
| OKLCH | oklch(31% 0.044 329.9) |
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 #3D283B | 13.41:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #3D283B | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #3D283B text on white | 13.41:1 | AAA | Lc 99.8 | Preferred for body text |
| #3D283B 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E5D3E2
oklch(88.6% 0.028 331.2)
-
Step 300
300
#D5B5D1
oklch(80.9% 0.052 330.2)
-
Step 400
400
#BF8EBA
oklch(70.8% 0.084 329.9)
-
Step 500
500
#AE71A8
oklch(63.1% 0.107 330.3)
-
Step 600
600
#995894
oklch(55.6% 0.117 329.8)
-
Step 700
700
#82487E
oklch(49.1% 0.108 329.6)
-
Step 800
800
#6A3B66
oklch(42.6% 0.09 330.2)
-
Step 900
900
#563353
oklch(37.6% 0.07 329.9)
-
Step 950
950 (this color)
#3D283B
oklch(31% 0.044 329.9)
#3D283B 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) | #272D3C | 0.042 |
| Deuteranopia (no green cones) | #2C303A | 0.039 |
| Tritanopia (no blue cones) | #3F292F | 0.023 |
| Achromatopsia (no color) | #2F2F2F | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D283B
#3D283B
oklch(31% 0.044 329.9)
- #1F3724
#1F3724
oklch(31.1% 0.045 149.8)
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 #3D283B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.036
- Gunmetal #293241 ΔE 0.044
- Onyx #343A40 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.063
- Jet #212529 ΔE 0.065
- Dark #1B2431 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.071
Use #3D283B 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.