#242653
Closest named color: Marine (#042E60). oklch(29.3% 0.08 278.3), rgb(36, 38, 83).
Aa
White text reads best on this color (14.21:1).
About this color
#242653 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.080 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.042 away. White text reads best on it, at 14.21:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.47:1 |
| White text | 14.21:1 |
Values
| HEX | #242653 |
| RGB | rgb(36, 38, 83) |
| HSL | hsl(237, 39%, 23%) |
| OKLCH | oklch(29.3% 0.08 278.3) |
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 #242653 | 14.21:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #242653 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #242653 text on white | 14.21:1 | AAA | Lc 100.8 | Preferred for body text |
| #242653 text on black | 1.47:1 | 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
#D1D6FC
oklch(88.4% 0.053 279.4)
-
Step 300
300
#B2BBFE
oklch(80.9% 0.095 278.1)
-
Step 400
400
#8C94FD
oklch(70.6% 0.152 278.4)
-
Step 500
500
#7376FB
oklch(63.2% 0.194 278.3)
-
Step 600
600
#5E5AEA
oklch(55.6% 0.211 278.3)
-
Step 700
700
#4E48CC
oklch(49.1% 0.197 278.3)
-
Step 800
800
#403CA5
oklch(42.7% 0.164 278.6)
-
Step 900
900
#353583
oklch(37.7% 0.128 278.3)
-
Step 950
950 (this color)
#242653
oklch(29.3% 0.08 278.3)
#242653 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) | #102D55 | 0.030 |
| Deuteranopia (no green cones) | #0B2952 | 0.031 |
| Tritanopia (no blue cones) | #103038 | 0.071 |
| Achromatopsia (no color) | #2B2B2B | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242653
#242653
oklch(29.3% 0.08 278.3)
- #342C00
#342C00
oklch(29.3% 0.061 98.4)
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 #242653, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.044
- Prussian Blue #1D3557 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.048
- Gunmetal #293241 ΔE 0.057
- Midnight Blue #191970 ΔE 0.064
- Marine Blue #01386A ΔE 0.065
- Dark #1B2431 ΔE 0.065
Use #242653 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.