Space Cadet #2B2D42
Space Cadet is a dark, muted blue with hex code #2B2D42 and RGB rgb(43, 45, 66).
Aa
White text reads best on this color (13.48:1).
About this color
#2B2D42 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.038 and its hue 280°. Its hue sits on the cool side of the wheel. It is the named color Space Cadet. White text reads best on it, at 13.48:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Space Cadet |
| Black text | 1.55:1 |
| White text | 13.48:1 |
Colors that go with Space Cadet
Matches found by rotating Space Cadet around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Space Cadet
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Space Cadet, closest first.
Similar named colors
The eight named colors closest to Space Cadet, with their ΔE distance.
- Gunmetal #293241 ΔE 0.017
- Oxford Blue #1B263B ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.046
- Onyx #343A40 ΔE 0.049
- Dark #1B2431 ΔE 0.050
- Jet #212529 ΔE 0.052
- Midnight Green #073B4C ΔE 0.053
More about Space Cadet
How to make Space Cadet
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 2 parts blue
- 2 parts purple
- 1 part black
Recipe result: #2D3142, a difference of ΔE 0.013 from Space Cadet. That is very close: most people will not see the difference.
Codes for Space Cadet in every format
| HEX | #2B2D42 |
| RGB | rgb(43, 45, 66) |
| HSL | hsl(235, 21%, 21%) |
| OKLCH | oklch(30.5% 0.038 279.7) |
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 #2B2D42 | 13.48:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #2B2D42 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #2B2D42 text on white | 13.48:1 | AAA | Lc 99.9 | Preferred for body text |
| #2B2D42 text on black | 1.55:1 | Fails | Lc 0.0 | Not readable |
Shades and tints of Space Cadet
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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D8EA
oklch(88.5% 0.025 278.3)
-
Step 300
300
#BABEDE
oklch(80.9% 0.045 279.7)
-
Step 400
400
#979CCD
oklch(70.6% 0.072 279.9)
-
Step 500
500
#7E83C0
oklch(63% 0.092 279.8)
-
Step 600
600
#686CAD
oklch(55.6% 0.1 279.9)
-
Step 700
700
#565A94
oklch(49.1% 0.092 279.4)
-
Step 800
800
#474A78
oklch(42.8% 0.076 279.8)
-
Step 900
900
#3B3E61
oklch(37.7% 0.06 279.4)
-
Step 950
950 (this color)
#2B2D42
oklch(30.5% 0.038 279.7)
Space Cadet 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) | #272F43 | 0.008 |
| Deuteranopia (no green cones) | #262E41 | 0.009 |
| Tritanopia (no blue cones) | #253134 | 0.034 |
| Achromatopsia (no color) | #2E2E2E | 0.038 |
Use Space Cadet 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.