#242753
Closest named color: Marine (#042E60). oklch(29.6% 0.079 277.5), rgb(36, 39, 83).
Aa
White text reads best on this color (14.09:1).
About this color
#242753 is a dark, moderately saturated blue. In OKLCH its lightness is 30%, its chroma 0.079 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.040 away. White text reads best on it, at 14.09:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.49:1 |
| White text | 14.09:1 |
Values
| HEX | #242753 |
| RGB | rgb(36, 39, 83) |
| HSL | hsl(236, 39%, 23%) |
| OKLCH | oklch(29.6% 0.079 277.5) |
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 #242753 | 14.09:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #242753 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #242753 text on white | 14.09:1 | AAA | Lc 100.6 | Preferred for body text |
| #242753 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FC
oklch(88.6% 0.052 276.9)
-
Step 300
300
#B2BBFD
oklch(80.9% 0.094 278.1)
-
Step 400
400
#8B95FC
oklch(70.7% 0.15 277.6)
-
Step 500
500
#7177F9
oklch(63.1% 0.19 277.5)
-
Step 600
600
#5C5BE8
oklch(55.5% 0.207 277.6)
-
Step 700
700
#4C4ACA
oklch(49.1% 0.193 277.3)
-
Step 800
800
#3E3EA3
oklch(42.7% 0.159 277.3)
-
Step 900
900
#343681
oklch(37.6% 0.124 277.5)
-
Step 950
950 (this color)
#242753
oklch(29.6% 0.079 277.5)
#242753 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) | #132D55 | 0.026 |
| Deuteranopia (no green cones) | #0E2A52 | 0.028 |
| Tritanopia (no blue cones) | #103139 | 0.069 |
| Achromatopsia (no color) | #2B2B2B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242753
#242753
oklch(29.6% 0.079 277.5)
- #352C00
#352C00
oklch(29.4% 0.061 97)
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 #242753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.047
- Gunmetal #293241 ΔE 0.055
- Marine Blue #01386A ΔE 0.063
- Dark #1B2431 ΔE 0.065
- Midnight Blue #191970 ΔE 0.066
Use #242753 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.