#282E72
Closest named color: Marine Blue (#01386A). oklch(33.9% 0.116 274.6), rgb(40, 46, 114).
Aa
White text reads best on this color (12.18:1).
About this color
#282E72 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.116 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.044 away. White text reads best on it, at 12.18:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.72:1 |
| White text | 12.18:1 |
Values
| HEX | #282E72 |
| RGB | rgb(40, 46, 114) |
| HSL | hsl(235, 48%, 30%) |
| OKLCH | oklch(33.9% 0.116 274.6) |
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 #282E72 | 12.18:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #282E72 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #282E72 text on white | 12.18:1 | AAA | Lc 97.5 | Preferred for body text |
| #282E72 text on black | 1.72:1 | 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 900.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#AFBDF9
oklch(80.9% 0.086 274.1)
-
Step 400
400
#8798F6
oklch(70.6% 0.139 274.5)
-
Step 500
500
#6C7BF3
oklch(63.1% 0.178 274.7)
-
Step 600
600
#5661E1
oklch(55.6% 0.192 274.6)
-
Step 700
700
#474FC4
oklch(49.1% 0.18 274.7)
-
Step 800
800
#3A429E
oklch(42.8% 0.148 274.5)
-
Step 900
900 (this color)
#282E72
oklch(33.9% 0.116 274.6)
-
Step 950
950
#1C224A
oklch(27% 0.074 274)
#282E72 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) | #003974 | 0.041 |
| Deuteranopia (no green cones) | #003271 | 0.036 |
| Tritanopia (no blue cones) | #003E4B | 0.098 |
| Achromatopsia (no color) | #353535 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282E72
#282E72
oklch(33.9% 0.116 274.6)
- #433700
#433700
oklch(34% 0.07 95.4)
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 #282E72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.044
- Marine #042E60 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.056
- Midnight Blue #191970 ΔE 0.058
- Twilight Blue #0A437A ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.080
- Royal #0C1793 ΔE 0.081
- Cobalt #1E488F ΔE 0.082
Use #282E72 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.