#33273B
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.039 311.4), rgb(51, 39, 59).
Aa
White text reads best on this color (14.05:1).
About this color
#33273B is a dark, muted purple. In OKLCH its lightness is 30%, its chroma 0.039 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.023 away. White text reads best on it, at 14.05:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.49:1 |
| White text | 14.05:1 |
Values
| HEX | #33273B |
| RGB | rgb(51, 39, 59) |
| HSL | hsl(276, 20%, 19%) |
| OKLCH | oklch(29.5% 0.039 311.4) |
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 #33273B | 14.05:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #33273B | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #33273B text on white | 14.05:1 | AAA | Lc 100.7 | Preferred for body text |
| #33273B text on black | 1.49:1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD5E6
oklch(88.6% 0.025 311.7)
-
Step 300
300
#CAB9D7
oklch(80.9% 0.045 310.6)
-
Step 400
400
#B094C3
oklch(70.8% 0.074 311.4)
-
Step 500
500
#9C79B3
oklch(63.1% 0.093 311.4)
-
Step 600
600
#87619F
oklch(55.6% 0.102 311.5)
-
Step 700
700
#725088
oklch(49.1% 0.095 311.2)
-
Step 800
800
#5D426F
oklch(42.8% 0.079 310.9)
-
Step 900
900
#4C385A
oklch(37.7% 0.062 310.6)
-
Step 950
950 (this color)
#33273B
oklch(29.5% 0.039 311.4)
#33273B 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) | #242B3C | 0.028 |
| Deuteranopia (no green cones) | #262C3A | 0.028 |
| Tritanopia (no blue cones) | #322A2E | 0.029 |
| Achromatopsia (no color) | #2C2C2C | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33273B
#33273B
oklch(29.5% 0.039 311.4)
- #26311C
#26311C
oklch(29.6% 0.039 130.9)
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 #33273B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.023
- Gunmetal #293241 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.043
- Jet #212529 ΔE 0.049
- Dark #1B2431 ΔE 0.049
- Onyx #343A40 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.067
Use #33273B 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.