#282E50
Closest named color: Prussian Blue (#1D3557). oklch(31.3% 0.061 274.7), rgb(40, 46, 80).
Aa
White text reads best on this color (13.15:1).
About this color
#282E50 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.061 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.025 away. White text reads best on it, at 13.15:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #282E50 |
| RGB | rgb(40, 46, 80) |
| HSL | hsl(231, 33%, 24%) |
| OKLCH | oklch(31.3% 0.061 274.7) |
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 #282E50 | 13.15:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #282E50 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #282E50 text on white | 13.15:1 | AAA | Lc 99.4 | Preferred for body text |
| #282E50 text on black | 1.59:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B2BEF0
oklch(81% 0.072 274.2)
-
Step 400
400
#8B9AE9
oklch(70.6% 0.117 274.8)
-
Step 500
500
#707FE2
oklch(63% 0.149 274.8)
-
Step 600
600
#5A66D0
oklch(55.6% 0.162 275)
-
Step 700
700
#4A54B4
oklch(49% 0.151 274.9)
-
Step 800
800
#3C4692
oklch(42.8% 0.124 274.3)
-
Step 900
900
#333B74
oklch(37.6% 0.097 274.7)
-
Step 950
950 (this color)
#282E50
oklch(31.3% 0.061 274.7)
#282E50 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) | #213251 | 0.015 |
| Deuteranopia (no green cones) | #1E2F4F | 0.015 |
| Tritanopia (no blue cones) | #1A353B | 0.054 |
| Achromatopsia (no color) | #303030 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282E50
#282E50
oklch(31.3% 0.061 274.7)
- #3B3003
#3B3003
oklch(31.2% 0.061 94.3)
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 #282E50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.025
- Gunmetal #293241 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.045
- Marine #042E60 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.049
- Midnight Green #073B4C ΔE 0.052
- Marine Blue #01386A ΔE 0.057
Use #282E50 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.