#2A286F
Closest named color: Midnight Blue (#191970). oklch(32.6% 0.119 278.7), rgb(42, 40, 111).
Aa
White text reads best on this color (12.87:1).
About this color
#2A286F is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.047 away. White text reads best on it, at 12.87:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.63:1 |
| White text | 12.87:1 |
Values
| HEX | #2A286F |
| RGB | rgb(42, 40, 111) |
| HSL | hsl(242, 47%, 30%) |
| OKLCH | oklch(32.6% 0.119 278.7) |
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 #2A286F | 12.87:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #2A286F | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #2A286F text on white | 12.87:1 | AAA | Lc 98.7 | Preferred for body text |
| #2A286F 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 900.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E9FC
oklch(93.7% 0.026 278.7)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BBFA
oklch(80.8% 0.089 278.6)
-
Step 400
400
#8E95F8
oklch(70.6% 0.144 279)
-
Step 500
500
#7478F4
oklch(63.1% 0.182 278.4)
-
Step 600
600
#5F5CE3
oklch(55.5% 0.199 278.7)
-
Step 700
700
#4F4BC5
oklch(49.1% 0.184 278.6)
-
Step 800
800
#413EA0
oklch(42.7% 0.154 279)
-
Step 900
900 (this color)
#2A286F
oklch(32.6% 0.119 278.7)
-
Step 950
950
#1F214A
oklch(27.1% 0.075 278.1)
#2A286F 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) | #003571 | 0.048 |
| Deuteranopia (no green cones) | #002F6E | 0.043 |
| Tritanopia (no blue cones) | #003947 | 0.102 |
| Achromatopsia (no color) | #323232 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A286F
#2A286F
oklch(32.6% 0.119 278.7)
- #3D3400
#3D3400
oklch(32.5% 0.067 98.6)
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 #2A286F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.047
- Marine #042E60 ΔE 0.051
- Marine Blue #01386A ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.076
- Royal #0C1793 ΔE 0.080
- Space Cadet #2B2D42 ΔE 0.084
- Indigo #4B0082 ΔE 0.085
Use #2A286F 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.