#242748
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.06 278), rgb(36, 39, 72).
Aa
White text reads best on this color (14.39:1).
About this color
#242748 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.060 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.028 away. White text reads best on it, at 14.39:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.39:1 |
Values
| HEX | #242748 |
| RGB | rgb(36, 39, 72) |
| HSL | hsl(235, 33%, 21%) |
| OKLCH | oklch(28.8% 0.06 278) |
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 #242748 | 14.39:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #242748 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #242748 text on white | 14.39:1 | AAA | Lc 101.1 | Preferred for body text |
| #242748 text on black | 1.45:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F4
oklch(88.4% 0.04 277.8)
-
Step 300
300
#B5BDEF
oklch(80.9% 0.071 277.6)
-
Step 400
400
#9099E7
oklch(70.7% 0.114 278)
-
Step 500
500
#767EE0
oklch(63.1% 0.146 277.8)
-
Step 600
600
#6065CD
oklch(55.6% 0.158 277.9)
-
Step 700
700
#5053B2
oklch(49.1% 0.148 278.1)
-
Step 800
800
#414590
oklch(42.8% 0.122 277.6)
-
Step 900
900
#373A73
oklch(37.6% 0.096 278.5)
-
Step 950
950 (this color)
#242748
oklch(28.8% 0.06 278)
#242748 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) | #1B2B49 | 0.017 |
| Deuteranopia (no green cones) | #182847 | 0.018 |
| Tritanopia (no blue cones) | #182E34 | 0.052 |
| Achromatopsia (no color) | #2A2A2A | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242748
#242748
oklch(28.8% 0.06 278)
- #332B00
#332B00
oklch(28.9% 0.06 98.2)
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 #242748, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.028
- Oxford Blue #1B263B ΔE 0.029
- Gunmetal #293241 ΔE 0.043
- Dark #1B2431 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.047
- Marine #042E60 ΔE 0.053
- Jet #212529 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.064
Use #242748 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.