#282B52
Closest named color: Space Cadet (#2B2D42). oklch(30.7% 0.07 278.1), rgb(40, 43, 82).
Aa
White text reads best on this color (13.48:1).
About this color
#282B52 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.070 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.032 away. White text reads best on it, at 13.48:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.55:1 |
| White text | 13.48:1 |
Values
| HEX | #282B52 |
| RGB | rgb(40, 43, 82) |
| HSL | hsl(236, 34%, 24%) |
| OKLCH | oklch(30.7% 0.07 278.1) |
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 #282B52 | 13.48:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #282B52 | 1.55:1 | Fails | Lc 0.0 | Not readable |
| #282B52 text on white | 13.48:1 | AAA | Lc 99.9 | Preferred for body text |
| #282B52 text on black | 1.55:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B4BCF6
oklch(80.9% 0.082 278.3)
-
Step 400
400
#8E97F1
oklch(70.7% 0.131 278.1)
-
Step 500
500
#747AEC
oklch(63% 0.168 278.1)
-
Step 600
600
#5F60DB
oklch(55.6% 0.184 278.3)
-
Step 700
700
#4F4FBE
oklch(49.2% 0.17 278.1)
-
Step 800
800
#40419A
oklch(42.7% 0.142 278.1)
-
Step 900
900
#36387A
oklch(37.7% 0.11 278.4)
-
Step 950
950 (this color)
#282B52
oklch(30.7% 0.07 278.1)
#282B52 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) | #1C3053 | 0.021 |
| Deuteranopia (no green cones) | #182D51 | 0.023 |
| Tritanopia (no blue cones) | #19333A | 0.061 |
| Achromatopsia (no color) | #2F2F2F | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282B52
#282B52
oklch(30.7% 0.07 278.1)
- #383000
#383000
oklch(30.8% 0.064 99.2)
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 #282B52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.032
- Prussian Blue #1D3557 ΔE 0.032
- Gunmetal #293241 ΔE 0.043
- Marine #042E60 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.055
- Marine Blue #01386A ΔE 0.059
- Midnight Green #073B4C ΔE 0.061
Use #282B52 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.