#242A6B
Closest named color: Marine (#042E60). oklch(32.2% 0.112 274.3), rgb(36, 42, 107).
Aa
White text reads best on this color (12.97:1).
About this color
#242A6B is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.112 and its hue 274°. 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 12.97:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #242A6B |
| RGB | rgb(36, 42, 107) |
| HSL | hsl(235, 50%, 28%) |
| OKLCH | oklch(32.2% 0.112 274.3) |
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 #242A6B | 12.97:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #242A6B | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #242A6B text on white | 12.97:1 | AAA | Lc 98.9 | Preferred for body text |
| #242A6B 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ADBCFF
oklch(80.8% 0.096 274.3)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500
#6878FF
oklch(63.1% 0.199 274.1)
-
Step 600
600
#5154FF
oklch(55.6% 0.246 274.2)
-
Step 700
700
#432DF7
oklch(49.1% 0.275 274.3)
-
Step 800
800
#362AC7
oklch(42.7% 0.227 274.3)
-
Step 900
900
#2C2B9C
oklch(37.6% 0.177 274.2)
-
Step 950
950 (this color)
#242A6B
oklch(32.2% 0.112 274.3)
#242A6B 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) | #00346D | 0.038 |
| Deuteranopia (no green cones) | #002E6A | 0.034 |
| Tritanopia (no blue cones) | #003A46 | 0.094 |
| Achromatopsia (no color) | #313131 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242A6B
#242A6B
oklch(32.2% 0.112 274.3)
- #3E3200
#3E3200
oklch(32.1% 0.066 94.3)
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 #242A6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.039
- Marine Blue #01386A ΔE 0.045
- Midnight Blue #191970 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.081
- Royal #0C1793 ΔE 0.083
Use #242A6B 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.