#24254F
Closest named color: Space Cadet (#2B2D42). oklch(28.8% 0.075 279.5), rgb(36, 37, 79).
Aa
White text reads best on this color (14.45:1).
About this color
#24254F is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.075 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.041 away. White text reads best on it, at 14.45:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.45:1 |
| White text | 14.45:1 |
Values
| HEX | #24254F |
| RGB | rgb(36, 37, 79) |
| HSL | hsl(239, 37%, 23%) |
| OKLCH | oklch(28.8% 0.075 279.5) |
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 #24254F | 14.45:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #24254F | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #24254F text on white | 14.45:1 | AAA | Lc 101.1 | Preferred for body text |
| #24254F 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B4BBFA
oklch(80.9% 0.089 279.3)
-
Step 400
400
#8F95F7
oklch(70.7% 0.142 279.4)
-
Step 500
500
#7677F4
oklch(63.1% 0.183 279.4)
-
Step 600
600
#615CE2
oklch(55.5% 0.197 279.5)
-
Step 700
700
#514BC5
oklch(49.2% 0.184 279.4)
-
Step 800
800
#423E9F
oklch(42.7% 0.152 279.6)
-
Step 900
900
#37367E
oklch(37.6% 0.119 279.7)
-
Step 950
950 (this color)
#24254F
oklch(28.8% 0.075 279.5)
#24254F 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) | #122B51 | 0.028 |
| Deuteranopia (no green cones) | #0E284E | 0.029 |
| Tritanopia (no blue cones) | #142E36 | 0.065 |
| Achromatopsia (no color) | #292929 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #24254F
#24254F
oklch(28.8% 0.075 279.5)
- #322B00
#322B00
oklch(28.8% 0.06 99.7)
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 #24254F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.041
- Marine #042E60 ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.049
- Gunmetal #293241 ΔE 0.055
- Dark #1B2431 ΔE 0.059
- Dark Indigo #1F0954 ΔE 0.069
- Midnight Blue #191970 ΔE 0.069
Use #24254F 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.