#282E52
Closest named color: Prussian Blue (#1D3557). oklch(31.4% 0.065 274.9), rgb(40, 46, 82).
Aa
White text reads best on this color (13.10:1).
About this color
#282E52 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.065 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.024 away. White text reads best on it, at 13.10:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.60:1 |
| White text | 13.10:1 |
Values
| HEX | #282E52 |
| RGB | rgb(40, 46, 82) |
| HSL | hsl(231, 34%, 24%) |
| OKLCH | oklch(31.4% 0.065 274.9) |
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 #282E52 | 13.10:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #282E52 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #282E52 text on white | 13.10:1 | AAA | Lc 99.3 | Preferred for body text |
| #282E52 text on black | 1.60:1 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D0D8F6
oklch(88.6% 0.042 273.7)
-
Step 300
300
#B2BDF3
oklch(80.9% 0.077 275.6)
-
Step 400
400
#8A9AED
oklch(70.8% 0.123 274.5)
-
Step 500
500
#6F7EE7
oklch(63.1% 0.157 274.9)
-
Step 600
600
#5965D5
oklch(55.7% 0.17 274.8)
-
Step 700
700
#4953B8
oklch(49.1% 0.158 274.7)
-
Step 800
800
#3C4495
oklch(42.6% 0.132 275.1)
-
Step 900
900
#333A77
oklch(37.6% 0.103 275.4)
-
Step 950
950 (this color)
#282E52
oklch(31.4% 0.065 274.9)
#282E52 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) | #203253 | 0.016 |
| Deuteranopia (no green cones) | #1D2F51 | 0.016 |
| Tritanopia (no blue cones) | #19353C | 0.056 |
| Achromatopsia (no color) | #313131 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282E52
#282E52
oklch(31.4% 0.065 274.9)
- #3C3100
#3C3100
oklch(31.6% 0.065 95.3)
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 #282E52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.024
- Space Cadet #2B2D42 ΔE 0.029
- Gunmetal #293241 ΔE 0.037
- Marine #042E60 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.046
- Oxford Blue #1B263B ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
- Marine Blue #01386A ΔE 0.055
Use #282E52 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.