#282D65
Closest named color: Marine (#042E60). oklch(32.6% 0.097 275.8), rgb(40, 45, 101).
Aa
White text reads best on this color (12.70:1).
About this color
#282D65 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.039 away. White text reads best on it, at 12.70:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.65:1 |
| White text | 12.70:1 |
Values
| HEX | #282D65 |
| RGB | rgb(40, 45, 101) |
| HSL | hsl(235, 43%, 28%) |
| OKLCH | oklch(32.6% 0.097 275.8) |
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 #282D65 | 12.70:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #282D65 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #282D65 text on white | 12.70:1 | AAA | Lc 98.5 | Preferred for body text |
| #282D65 text on black | 1.65:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300
#B3BDF0
oklch(80.8% 0.073 276)
-
Step 400
400
#8D9AE9
oklch(70.8% 0.116 275.9)
-
Step 500
500
#727FE2
oklch(63.2% 0.148 275.7)
-
Step 600
600
#5C66D0
oklch(55.7% 0.161 275.8)
-
Step 700
700
#4C54B4
oklch(49.2% 0.15 275.8)
-
Step 800
800
#3E4592
oklch(42.7% 0.125 275.8)
-
Step 900
900 (this color)
#282D65
oklch(32.6% 0.097 275.8)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#282D65 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) | #0D3567 | 0.034 |
| Deuteranopia (no green cones) | #023064 | 0.037 |
| Tritanopia (no blue cones) | #043A44 | 0.086 |
| Achromatopsia (no color) | #333333 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282D65
#282D65
oklch(32.6% 0.097 275.8)
- #3F3400
#3F3400
oklch(32.7% 0.067 96)
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 #282D65, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.039
- Marine Blue #01386A ΔE 0.043
- Midnight Blue #191970 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.068
- Twilight Blue #0A437A ΔE 0.069
- Gunmetal #293241 ΔE 0.070
Use #282D65 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.