#282E5D
Closest named color: Prussian Blue (#1D3557). oklch(32.2% 0.083 275.3), rgb(40, 46, 93).
Aa
White text reads best on this color (12.81:1).
About this color
#282E5D is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.083 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.028 away. White text reads best on it, at 12.81:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.63:1 |
| White text | 12.81:1 |
Values
| HEX | #282E5D |
| RGB | rgb(40, 46, 93) |
| HSL | hsl(233, 40%, 26%) |
| OKLCH | oklch(32.2% 0.083 275.3) |
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 #282E5D | 12.81:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #282E5D | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #282E5D text on white | 12.81:1 | AAA | Lc 98.8 | Preferred for body text |
| #282E5D text on black | 1.63:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FE
oklch(88.5% 0.055 275)
-
Step 300
300
#AEBCFF
oklch(80.9% 0.096 274.9)
-
Step 400
400
#8696FF
oklch(70.7% 0.154 275.2)
-
Step 500
500
#6B77FF
oklch(63.1% 0.199 275.3)
-
Step 600
600
#565BEF
oklch(55.7% 0.218 275.3)
-
Step 700
700
#4749D0
oklch(49.1% 0.203 275.3)
-
Step 800
800
#3A3DA8
oklch(42.7% 0.168 275.4)
-
Step 900
900
#303685
oklch(37.7% 0.131 274.9)
-
Step 950
950 (this color)
#282E5D
oklch(32.2% 0.083 275.3)
#282E5D 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) | #19345F | 0.024 |
| Deuteranopia (no green cones) | #13305C | 0.026 |
| Tritanopia (no blue cones) | #0F3841 | 0.072 |
| Achromatopsia (no color) | #323232 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282E5D
#282E5D
oklch(32.2% 0.083 275.3)
- #3E3300
#3E3300
oklch(32.3% 0.067 95.8)
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 #282E5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.028
- Marine #042E60 ΔE 0.038
- Marine Blue #01386A ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.048
- Gunmetal #293241 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.056
- Midnight Green #073B4C ΔE 0.064
- Oxford Blue #1B263B ΔE 0.068
Use #282E5D 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.