#05244F
Closest named color: Marine (#042E60). oklch(26.7% 0.087 257.8), rgb(5, 36, 79).
Aa
White text reads best on this color (15.30:1).
About this color
#05244F is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.087 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.042 away. White text reads best on it, at 15.30:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.37:1 |
| White text | 15.30:1 |
Values
| HEX | #05244F |
| RGB | rgb(5, 36, 79) |
| HSL | hsl(215, 88%, 16%) |
| OKLCH | oklch(26.7% 0.087 257.8) |
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 #05244F | 15.30:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #05244F | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #05244F text on white | 15.30:1 | AAA | Lc 101.9 | Preferred for body text |
| #05244F text on black | 1.37:1 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300
#99C3FF
oklch(80.9% 0.097 257.3)
-
Step 400
400
#60A1FF
oklch(70.8% 0.154 257.7)
-
Step 500
500
#2B85FF
oklch(63.1% 0.2 257.7)
-
Step 600
600
#006CE7
oklch(55.5% 0.204 257.8)
-
Step 700
700
#005BC4
oklch(49.2% 0.18 257.7)
-
Step 800
800
#004AA2
oklch(42.7% 0.156 257.7)
-
Step 900
900
#013D88
oklch(37.6% 0.137 257.9)
-
Step 950
950 (this color)
#05244F
oklch(26.7% 0.087 257.8)
#05244F 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) | #092951 | 0.017 |
| Deuteranopia (no green cones) | #00224E | 0.009 |
| Tritanopia (no blue cones) | #002E35 | 0.065 |
| Achromatopsia (no color) | #252525 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05244F
#05244F
oklch(26.7% 0.087 257.8)
- #352200
#352200
oklch(26.9% 0.056 77.8)
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 #05244F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.045
- Navy Blue #001146 ΔE 0.059
- Dark #1B2431 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.066
- Midnight Blue #191970 ΔE 0.067
- Dark Indigo #1F0954 ΔE 0.067
Use #05244F 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.