#282C45
Closest named color: Space Cadet (#2B2D42). oklch(30.1% 0.046 276.4), rgb(40, 44, 69).
Aa
White text reads best on this color (13.66:1).
About this color
#282C45 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.046 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.009 away. White text reads best on it, at 13.66:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.53:1 |
| White text | 13.66:1 |
Values
| HEX | #282C45 |
| RGB | rgb(40, 44, 69) |
| HSL | hsl(232, 27%, 21%) |
| OKLCH | oklch(30.1% 0.046 276.4) |
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 #282C45 | 13.66:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #282C45 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #282C45 text on white | 13.66:1 | AAA | Lc 100.2 | Preferred for body text |
| #282C45 text on black | 1.53:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B7BEE4
oklch(80.9% 0.054 276.9)
-
Step 400
400
#929CD7
oklch(70.7% 0.087 276.5)
-
Step 500
500
#7883CC
oklch(63.2% 0.11 276.2)
-
Step 600
600
#616BB9
oklch(55.6% 0.121 276.2)
-
Step 700
700
#51599F
oklch(49.1% 0.112 276.6)
-
Step 800
800
#424981
oklch(42.7% 0.093 276.3)
-
Step 900
900
#383D67
oklch(37.6% 0.072 277.2)
-
Step 950
950 (this color)
#282C45
oklch(30.1% 0.046 276.4)
#282C45 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) | #242F46 | 0.011 |
| Deuteranopia (no green cones) | #222C44 | 0.010 |
| Tritanopia (no blue cones) | #1F3135 | 0.041 |
| Achromatopsia (no color) | #2E2E2E | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282C45
#282C45
oklch(30.1% 0.046 276.4)
- #352E11
#352E11
oklch(30.1% 0.046 95.9)
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 #282C45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.009
- Gunmetal #293241 ΔE 0.023
- Oxford Blue #1B263B ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.048
- Dark #1B2431 ΔE 0.048
- Midnight Green #073B4C ΔE 0.054
- Jet #212529 ΔE 0.054
Use #282C45 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.