#143572
Closest named color: Marine Blue (#01386A). oklch(34.4% 0.112 261.3), rgb(20, 53, 114).
Aa
White text reads best on this color (11.78:1).
About this color
#143572 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.112 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.020 away. White text reads best on it, at 11.78:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.78:1 |
| White text | 11.78:1 |
Values
| HEX | #143572 |
| RGB | rgb(20, 53, 114) |
| HSL | hsl(219, 70%, 26%) |
| OKLCH | oklch(34.4% 0.112 261.3) |
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 #143572 | 11.78:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #143572 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #143572 text on white | 11.78:1 | AAA | Lc 96.6 | Preferred for body text |
| #143572 text on black | 1.78:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#70A0F4
oklch(70.8% 0.134 261)
-
Step 500
500
#4A85F0
oklch(63.1% 0.172 261.2)
-
Step 600
600
#2D6CDF
oklch(55.7% 0.187 261.2)
-
Step 700
700
#2059C1
oklch(49.1% 0.174 261.2)
-
Step 800
800
#1D499C
oklch(42.6% 0.144 261.6)
-
Step 900
900 (this color)
#143572
oklch(34.4% 0.112 261.3)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#143572 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) | #0D3C74 | 0.020 |
| Deuteranopia (no green cones) | #003471 | 0.014 |
| Tritanopia (no blue cones) | #00444E | 0.088 |
| Achromatopsia (no color) | #383838 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143572
#143572
oklch(34.4% 0.112 261.3)
- #4B3400
#4B3400
oklch(34.3% 0.071 81.3)
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 #143572, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.020
- Marine #042E60 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.048
- Midnight Blue #191970 ΔE 0.068
- Cobalt #1E488F ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.072
- Midnight Green #073B4C ΔE 0.074
Use #143572 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.