#242D68
Closest named color: Marine (#042E60). oklch(32.6% 0.103 272.8), rgb(36, 45, 104).
Aa
White text reads best on this color (12.72:1).
About this color
#242D68 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.103 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.035 away. White text reads best on it, at 12.72:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.65:1 |
| White text | 12.72:1 |
Values
| HEX | #242D68 |
| RGB | rgb(36, 45, 104) |
| HSL | hsl(232, 49%, 27%) |
| OKLCH | oklch(32.6% 0.103 272.8) |
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 #242D68 | 12.72:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #242D68 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #242D68 text on white | 12.72:1 | AAA | Lc 98.5 | Preferred for body text |
| #242D68 text on black | 1.65:1 | 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
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF3
oklch(80.9% 0.077 273.1)
-
Step 400
400
#879BEE
oklch(70.8% 0.124 272.6)
-
Step 500
500
#6B7FE8
oklch(63.1% 0.158 272.9)
-
Step 600
600
#5466D6
oklch(55.6% 0.172 272.7)
-
Step 700
700
#4554BA
oklch(49.2% 0.16 272.8)
-
Step 800
800
#394596
oklch(42.7% 0.132 273.1)
-
Step 900
900 (this color)
#242D68
oklch(32.6% 0.103 272.8)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#242D68 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) | #06366A | 0.034 |
| Deuteranopia (no green cones) | #003067 | 0.033 |
| Tritanopia (no blue cones) | #003B45 | 0.089 |
| Achromatopsia (no color) | #333333 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242D68
#242D68
oklch(32.6% 0.103 272.8)
- #403300
#403300
oklch(32.6% 0.067 93.2)
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 #242D68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.035
- Marine Blue #01386A ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.042
- Midnight Blue #191970 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.067
- Space Cadet #2B2D42 ΔE 0.069
- Dark Blue Grey #1F3B4D ΔE 0.071
- Gunmetal #293241 ΔE 0.075
Use #242D68 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.