#282A66
Closest named color: Marine (#042E60). oklch(32% 0.103 277.4), rgb(40, 42, 102).
Aa
White text reads best on this color (13.01:1).
About this color
#282A66 is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.103 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.040 away. White text reads best on it, at 13.01:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #282A66 |
| RGB | rgb(40, 42, 102) |
| HSL | hsl(238, 44%, 28%) |
| OKLCH | oklch(32% 0.103 277.4) |
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 #282A66 | 13.01:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #282A66 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #282A66 text on white | 13.01:1 | AAA | Lc 99.0 | Preferred for body text |
| #282A66 text on black | 1.61:1 | 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
#E4E8FF
oklch(93.5% 0.031 277.9)
-
Step 200
200
#CFD6FF
oklch(88.4% 0.057 277.5)
-
Step 300
300
#B1BBFF
oklch(80.9% 0.097 277.5)
-
Step 400
400
#8A95FF
oklch(70.7% 0.154 277.2)
-
Step 500
500
#7075FF
oklch(63.1% 0.201 277.4)
-
Step 600
600
#5B50FF
oklch(55.7% 0.248 277.4)
-
Step 700
700
#4C35EA
oklch(49.1% 0.252 277.4)
-
Step 800
800
#3D2FBD
oklch(42.7% 0.209 277.2)
-
Step 900
900
#332D95
oklch(37.7% 0.163 277.7)
-
Step 950
950 (this color)
#282A66
oklch(32% 0.103 277.4)
#282A66 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) | #013468 | 0.042 |
| Deuteranopia (no green cones) | #002E65 | 0.040 |
| Tritanopia (no blue cones) | #043843 | 0.091 |
| Achromatopsia (no color) | #313131 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282A66
#282A66
oklch(32% 0.103 277.4)
- #3C3300
#3C3300
oklch(32.1% 0.066 98.4)
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 #282A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.047
- Marine Blue #01386A ΔE 0.048
- Midnight Blue #191970 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.075
- Gunmetal #293241 ΔE 0.076
- Twilight Blue #0A437A ΔE 0.076
Use #282A66 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.