#143776
Closest named color: Marine Blue (#01386A). oklch(35.2% 0.116 261), rgb(20, 55, 118).
Aa
White text reads best on this color (11.42:1).
About this color
#143776 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.116 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.025 away. White text reads best on it, at 11.42:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.83:1 |
| White text | 11.42:1 |
Values
| HEX | #143776 |
| RGB | rgb(20, 55, 118) |
| HSL | hsl(219, 71%, 27%) |
| OKLCH | oklch(35.2% 0.116 261) |
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 #143776 | 11.42:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #143776 | 1.83:1 | Fails | Lc 8.0 | Not readable |
| #143776 text on white | 11.42:1 | AAA | Lc 95.9 | Preferred for body text |
| #143776 text on black | 1.83:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400
#6EA0F6
oklch(70.8% 0.138 260.7)
-
Step 500
500
#4785F3
oklch(63.2% 0.177 260.9)
-
Step 600
600
#296BE2
oklch(55.6% 0.193 261.1)
-
Step 700
700
#1C58C4
oklch(49% 0.18 261.1)
-
Step 800
800
#19499E
oklch(42.6% 0.148 260.9)
-
Step 900
900 (this color)
#143776
oklch(35.2% 0.116 261)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#143776 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) | #0D3E78 | 0.020 |
| Deuteranopia (no green cones) | #003575 | 0.015 |
| Tritanopia (no blue cones) | #004651 | 0.088 |
| Achromatopsia (no color) | #3A3A3A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #143776
#143776
oklch(35.2% 0.116 261)
- #4E3600
#4E3600
oklch(35.1% 0.073 81)
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 #143776, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.025
- Twilight Blue #0A437A ΔE 0.034
- Marine #042E60 ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.054
- Cobalt #1E488F ΔE 0.063
- Midnight Blue #191970 ΔE 0.074
- Light Navy #155084 ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.076
Use #143776 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.