#143869
Closest named color: Marine Blue (#01386A). oklch(34.4% 0.095 257.1), rgb(20, 56, 105).
Aa
White text reads best on this color (11.67:1).
About this color
#143869 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.095 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.011 away. White text reads best on it, at 11.67:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #143869 |
| RGB | rgb(20, 56, 105) |
| HSL | hsl(215, 68%, 25%) |
| OKLCH | oklch(34.4% 0.095 257.1) |
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 #143869 | 11.67:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #143869 | 1.79:1 | Fails | Lc 7.4 | Not readable |
| #143869 text on white | 11.67:1 | AAA | Lc 96.5 | Preferred for body text |
| #143869 text on black | 1.79:1 | 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 900.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF4
oklch(88.6% 0.04 256.6)
-
Step 300
300
#A4C3EF
oklch(81% 0.071 257.1)
-
Step 400
400
#72A2E7
oklch(70.6% 0.114 257.4)
-
Step 500
500
#4C89E0
oklch(63% 0.146 257.5)
-
Step 600
600
#2D71CE
oklch(55.5% 0.159 257.3)
-
Step 700
700
#1F5EB2
oklch(49% 0.148 257.2)
-
Step 800
800
#1C4E90
oklch(42.8% 0.121 256.8)
-
Step 900
900 (this color)
#143869
oklch(34.4% 0.095 257.1)
-
Step 950
950
#122643
oklch(26.9% 0.06 257.7)
#143869 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) | #1F3C6B | 0.018 |
| Deuteranopia (no green cones) | #0E3568 | 0.011 |
| Tritanopia (no blue cones) | #00444B | 0.074 |
| Achromatopsia (no color) | #383838 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143869
#143869
oklch(34.4% 0.095 257.1)
- #4D3300
#4D3300
oklch(34.3% 0.072 77.5)
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 #143869, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.011
- Prussian Blue #1D3557 ΔE 0.032
- Marine #042E60 ΔE 0.037
- Twilight Blue #0A437A ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.053
- Midnight Green #073B4C ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.061
- Charcoal #264653 ΔE 0.069
Use #143869 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.