#242B45
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.048 271.7), rgb(36, 43, 69).
Aa
White text reads best on this color (13.93:1).
About this color
#242B45 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.048 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.015 away. White text reads best on it, at 13.93:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.93:1 |
Values
| HEX | #242B45 |
| RGB | rgb(36, 43, 69) |
| HSL | hsl(227, 31%, 21%) |
| OKLCH | oklch(29.5% 0.048 271.7) |
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 #242B45 | 13.93:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #242B45 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #242B45 text on white | 13.93:1 | AAA | Lc 100.5 | Preferred for body text |
| #242B45 text on black | 1.50:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D1D8EF
oklch(88.4% 0.033 272.2)
-
Step 300
300
#B3BFE7
oklch(80.9% 0.058 272)
-
Step 400
400
#8C9DDA
oklch(70.6% 0.092 271.9)
-
Step 500
500
#7084D0
oklch(63% 0.117 271.5)
-
Step 600
600
#596CBD
oklch(55.5% 0.128 271.7)
-
Step 700
700
#495AA3
oklch(49% 0.118 271.6)
-
Step 800
800
#3C4A84
oklch(42.7% 0.098 271.5)
-
Step 900
900
#333E6A
oklch(37.6% 0.077 271.7)
-
Step 950
950 (this color)
#242B45
oklch(29.5% 0.048 271.7)
#242B45 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) | #222E46 | 0.010 |
| Deuteranopia (no green cones) | #1F2B44 | 0.008 |
| Tritanopia (no blue cones) | #193034 | 0.043 |
| Achromatopsia (no color) | #2C2C2C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #242B45
#242B45
oklch(29.5% 0.048 271.7)
- #352C0D
#352C0D
oklch(29.6% 0.048 93)
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 #242B45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.015
- Oxford Blue #1B263B ΔE 0.028
- Gunmetal #293241 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.040
- Dark #1B2431 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.051
- Jet #212529 ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
Use #242B45 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.