#242755
Closest named color: Marine (#042E60). oklch(29.7% 0.082 277.4), rgb(36, 39, 85).
Aa
White text reads best on this color (14.03:1).
About this color
#242755 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.082 and its hue 277°. 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 14.03:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.49:1 |
| White text | 14.03:1 |
Values
| HEX | #242755 |
| RGB | rgb(36, 39, 85) |
| HSL | hsl(236, 40%, 24%) |
| OKLCH | oklch(29.7% 0.082 277.4) |
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 #242755 | 14.03:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #242755 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #242755 text on white | 14.03:1 | AAA | Lc 100.5 | Preferred for body text |
| #242755 text on black | 1.49:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FD
oklch(93.7% 0.027 276.8)
-
Step 200
200
#D0D7FD
oklch(88.6% 0.053 277)
-
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
#7076FE
oklch(63.2% 0.198 277.2)
-
Step 600
600
#5B59ED
oklch(55.5% 0.216 277.3)
-
Step 700
700
#4C48CE
oklch(49.1% 0.2 277.4)
-
Step 800
800
#3E3CA7
oklch(42.7% 0.167 277.5)
-
Step 900
900
#343584
oklch(37.7% 0.13 277.6)
-
Step 950
950 (this color)
#242755
oklch(29.7% 0.082 277.4)
#242755 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) | #112E57 | 0.029 |
| Deuteranopia (no green cones) | #0B2A54 | 0.030 |
| Tritanopia (no blue cones) | #0E313A | 0.071 |
| Achromatopsia (no color) | #2C2C2C | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242755
#242755
oklch(29.7% 0.082 277.4)
- #362D00
#362D00
oklch(29.8% 0.061 97.2)
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 #242755, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.051
- Gunmetal #293241 ΔE 0.057
- Marine Blue #01386A ΔE 0.061
- Midnight Blue #191970 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.068
Use #242755 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.