#242856
Closest named color: Marine (#042E60). oklch(30% 0.082 276.5), rgb(36, 40, 86).
Aa
White text reads best on this color (13.88:1).
About this color
#242856 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 0.037 away. White text reads best on it, at 13.88:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.51:1 |
| White text | 13.88:1 |
Values
| HEX | #242856 |
| RGB | rgb(36, 40, 86) |
| HSL | hsl(235, 41%, 24%) |
| OKLCH | oklch(30% 0.082 276.5) |
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 #242856 | 13.88:1 | AAA | Lc -103.4 | Preferred for body text |
| Black text on #242856 | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #242856 text on white | 13.88:1 | AAA | Lc 100.3 | Preferred for body text |
| #242856 text on black | 1.51:1 | 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
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BBFF
oklch(80.8% 0.097 276.9)
-
Step 400
400
#8995FF
oklch(70.7% 0.154 276.8)
-
Step 500
500
#6E76FE
oklch(63% 0.199 276.5)
-
Step 600
600
#595AED
oklch(55.5% 0.216 276.5)
-
Step 700
700
#4A49CF
oklch(49.2% 0.201 276.4)
-
Step 800
800
#3C3DA7
oklch(42.7% 0.166 276.4)
-
Step 900
900
#323684
oklch(37.7% 0.129 276.1)
-
Step 950
950 (this color)
#242856
oklch(30% 0.082 276.5)
#242856 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) | #122F58 | 0.028 |
| Deuteranopia (no green cones) | #0C2A55 | 0.029 |
| Tritanopia (no blue cones) | #0D323B | 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°).
- #242856
#242856
oklch(30% 0.082 276.5)
- #372D00
#372D00
oklch(29.9% 0.062 95.8)
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 #242856, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.052
- Gunmetal #293241 ΔE 0.056
- Marine Blue #01386A ΔE 0.058
- Midnight Blue #191970 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.066
Use #242856 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.