#33283D
Closest named color: Space Cadet (#2B2D42). oklch(29.9% 0.04 308), rgb(51, 40, 61).
Aa
White text reads best on this color (13.89:1).
About this color
#33283D is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.040 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.020 away. White text reads best on it, at 13.89:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.89:1 |
Values
| HEX | #33283D |
| RGB | rgb(51, 40, 61) |
| HSL | hsl(271, 21%, 20%) |
| OKLCH | oklch(29.9% 0.04 308) |
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 #33283D | 13.89:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #33283D | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #33283D text on white | 13.89:1 | AAA | Lc 100.5 | Preferred for body text |
| #33283D text on black | 1.51:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D9
oklch(80.9% 0.048 307.8)
-
Step 400
400
#AE94C5
oklch(70.7% 0.076 308.6)
-
Step 500
500
#9A79B7
oklch(63.1% 0.098 308.2)
-
Step 600
600
#8461A3
oklch(55.5% 0.106 307.7)
-
Step 700
700
#70508B
oklch(49% 0.098 308.1)
-
Step 800
800
#5B4271
oklch(42.7% 0.081 307.8)
-
Step 900
900
#4B385B
oklch(37.7% 0.063 308.5)
-
Step 950
950 (this color)
#33283D
oklch(29.9% 0.04 308)
#33283D 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) | #242C3E | 0.028 |
| Deuteranopia (no green cones) | #262D3C | 0.027 |
| Tritanopia (no blue cones) | #322B30 | 0.029 |
| Achromatopsia (no color) | #2C2C2C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33283D
#33283D
oklch(29.9% 0.04 308)
- #28311B
#28311B
oklch(29.8% 0.039 126.8)
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 #33283D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.020
- Gunmetal #293241 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.043
- Dark #1B2431 ΔE 0.051
- Jet #212529 ΔE 0.051
- Onyx #343A40 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.060
- Dark Blue Grey #1F3B4D ΔE 0.064
Use #33283D 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.