#282A74
Closest named color: Midnight Blue (#191970). oklch(33.3% 0.124 276.1), rgb(40, 42, 116).
Aa
White text reads best on this color (12.54:1).
About this color
#282A74 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.124 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.049 away. White text reads best on it, at 12.54:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.67:1 |
| White text | 12.54:1 |
Values
| HEX | #282A74 |
| RGB | rgb(40, 42, 116) |
| HSL | hsl(238, 49%, 31%) |
| OKLCH | oklch(33.3% 0.124 276.1) |
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 #282A74 | 12.54:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #282A74 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #282A74 text on white | 12.54:1 | AAA | Lc 98.1 | Preferred for body text |
| #282A74 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
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFD
oklch(80.9% 0.093 276)
-
Step 400
400
#8896FC
oklch(70.6% 0.149 276)
-
Step 500
500
#6E78FA
oklch(63.1% 0.191 276.2)
-
Step 600
600
#595DE9
oklch(55.7% 0.207 276.1)
-
Step 700
700
#494BCA
oklch(49.1% 0.192 276)
-
Step 800
800
#3C3FA4
oklch(42.8% 0.159 276)
-
Step 900
900 (this color)
#282A74
oklch(33.3% 0.124 276.1)
-
Step 950
950
#1D214C
oklch(27.1% 0.078 275.8)
#282A74 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) | #003776 | 0.044 |
| Deuteranopia (no green cones) | #003073 | 0.038 |
| Tritanopia (no blue cones) | #003C4A | 0.104 |
| Achromatopsia (no color) | #333333 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282A74
#282A74
oklch(33.3% 0.124 276.1)
- #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 #282A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.049
- Marine Blue #01386A ΔE 0.052
- Marine #042E60 ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.064
- Twilight Blue #0A437A ΔE 0.069
- Royal #0C1793 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.084
- Indigo #4B0082 ΔE 0.086
Use #282A74 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.