#242D3E
Closest named color: Space Cadet (#2B2D42). oklch(29.7% 0.034 262.8), rgb(36, 45, 62).
Aa
White text reads best on this color (13.81:1).
About this color
#242D3E is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.034 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.014 away. White text reads best on it, at 13.81:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.51:1 |
| White text | 13.81:1 |
Values
| HEX | #242D3E |
| RGB | rgb(36, 45, 62) |
| HSL | hsl(219, 27%, 19%) |
| OKLCH | oklch(29.7% 0.034 262.8) |
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 #242D3E | 13.81:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #242D3E | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #242D3E text on white | 13.81:1 | AAA | Lc 100.4 | Preferred for body text |
| #242D3E 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1D9E8
oklch(88.4% 0.022 263.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400
#8CA1C9
oklch(70.7% 0.063 263.1)
-
Step 500
500
#6F89BB
oklch(63% 0.082 263)
-
Step 600
600
#5773A7
oklch(55.6% 0.088 262.2)
-
Step 700
700
#48608F
oklch(49.1% 0.081 263.1)
-
Step 800
800
#3B4F74
oklch(42.8% 0.067 262.2)
-
Step 900
900
#32415E
oklch(37.6% 0.054 263)
-
Step 950
950 (this color)
#242D3E
oklch(29.7% 0.034 262.8)
#242D3E 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) | #272E3F | 0.006 |
| Deuteranopia (no green cones) | #252C3E | 0.004 |
| Tritanopia (no blue cones) | #1C3133 | 0.031 |
| Achromatopsia (no color) | #2D2D2D | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242D3E
#242D3E
oklch(29.7% 0.034 262.8)
- #352B19
#352B19
oklch(29.5% 0.033 81.6)
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 #242D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.014
- Gunmetal #293241 ΔE 0.019
- Oxford Blue #1B263B ΔE 0.029
- Dark #1B2431 ΔE 0.039
- Jet #212529 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Midnight Green #073B4C ΔE 0.050
Use #242D3E 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.