#282A6A
Closest named color: Marine (#042E60). oklch(32.4% 0.109 277), rgb(40, 42, 106).
Aa
White text reads best on this color (12.88:1).
About this color
#282A6A is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.109 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.043 away. White text reads best on it, at 12.88:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.62:1 |
| White text | 12.88:1 |
Values
| HEX | #282A6A |
| RGB | rgb(40, 42, 106) |
| HSL | hsl(238, 45%, 29%) |
| OKLCH | oklch(32.4% 0.109 277) |
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 #282A6A | 12.88:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #282A6A | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #282A6A text on white | 12.88:1 | AAA | Lc 98.8 | Preferred for body text |
| #282A6A text on black | 1.62:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300
#B3BCF6
oklch(80.9% 0.083 277.5)
-
Step 400
400
#8C98F1
oklch(70.7% 0.13 276.7)
-
Step 500
500
#727BEC
oklch(63% 0.167 277)
-
Step 600
600
#5D61DB
oklch(55.6% 0.183 277.2)
-
Step 700
700
#4D4FBE
oklch(49% 0.17 277.3)
-
Step 800
800
#3F429A
oklch(42.8% 0.141 277.2)
-
Step 900
900 (this color)
#282A6A
oklch(32.4% 0.109 277)
-
Step 950
950
#1F2248
oklch(27.1% 0.07 277.3)
#282A6A 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) | #00346C | 0.042 |
| Deuteranopia (no green cones) | #002F69 | 0.039 |
| Tritanopia (no blue cones) | #003945 | 0.095 |
| Achromatopsia (no color) | #323232 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282A6A
#282A6A
oklch(32.4% 0.109 277)
- #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 #282A6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.043
- Marine Blue #01386A ΔE 0.048
- Midnight Blue #191970 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.080
- Gunmetal #293241 ΔE 0.082
Use #282A6A 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.