#282B72
Closest named color: Marine Blue (#01386A). oklch(33.3% 0.12 275.9), rgb(40, 43, 114).
Aa
White text reads best on this color (12.50:1).
About this color
#282B72 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.120 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.049 away. White text reads best on it, at 12.50:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.67:1 |
| White text | 12.50:1 |
Values
| HEX | #282B72 |
| RGB | rgb(40, 43, 114) |
| HSL | hsl(238, 48%, 30%) |
| OKLCH | oklch(33.3% 0.12 275.9) |
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 #282B72 | 12.50:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #282B72 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #282B72 text on white | 12.50:1 | AAA | Lc 98.0 | Preferred for body text |
| #282B72 text on black | 1.67:1 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FB
oklch(88.5% 0.05 275.4)
-
Step 300
300
#B0BCFB
oklch(80.9% 0.09 275.9)
-
Step 400
400
#8997F9
oklch(70.7% 0.144 275.9)
-
Step 500
500
#6E79F6
oklch(63% 0.184 276)
-
Step 600
600
#595EE5
oklch(55.6% 0.2 276.1)
-
Step 700
700
#494DC7
oklch(49.1% 0.186 275.7)
-
Step 800
800
#3C40A1
oklch(42.8% 0.154 275.9)
-
Step 900
900 (this color)
#282B72
oklch(33.3% 0.12 275.9)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#282B72 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) | #003774 | 0.043 |
| Deuteranopia (no green cones) | #003171 | 0.038 |
| Tritanopia (no blue cones) | #003C4A | 0.100 |
| Achromatopsia (no color) | #343434 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282B72
#282B72
oklch(33.3% 0.12 275.9)
- #413500
#413500
oklch(33.2% 0.068 95)
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 #282B72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.049
- Marine #042E60 ΔE 0.050
- Midnight Blue #191970 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.067
- Royal #0C1793 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.084
- Space Cadet #2B2D42 ΔE 0.087
Use #282B72 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.