#142F79
Closest named color: Marine Blue (#01386A). oklch(33.6% 0.131 264.8), rgb(20, 47, 121).
Aa
White text reads best on this color (12.26:1).
About this color
#142F79 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.131 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.039 away. White text reads best on it, at 12.26:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #142F79 |
| RGB | rgb(20, 47, 121) |
| HSL | hsl(224, 72%, 28%) |
| OKLCH | oklch(33.6% 0.131 264.8) |
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 #142F79 | 12.26:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #142F79 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #142F79 text on white | 12.26:1 | AAA | Lc 97.4 | Preferred for body text |
| #142F79 text on black | 1.71:1 | 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
#F1F6FF
oklch(97.2% 0.013 262.4)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C8D9FE
oklch(88.5% 0.054 265.8)
-
Step 300
300
#A2C0FF
oklch(80.9% 0.096 264.7)
-
Step 400
400
#719DFF
oklch(70.8% 0.152 264.6)
-
Step 500
500
#4C80FF
oklch(63.2% 0.197 264.6)
-
Step 600
600
#3164F0
oklch(55.6% 0.218 264.8)
-
Step 700
700
#2552D1
oklch(49.2% 0.202 264.8)
-
Step 800
800
#1F44A9
oklch(42.7% 0.168 264.7)
-
Step 900
900 (this color)
#142F79
oklch(33.6% 0.131 264.8)
-
Step 950
950
#12234E
oklch(26.9% 0.082 265.1)
#142F79 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) | #003A7B | 0.030 |
| Deuteranopia (no green cones) | #003178 | 0.013 |
| Tritanopia (no blue cones) | #00424F | 0.102 |
| Achromatopsia (no color) | #353535 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142F79
#142F79
oklch(33.6% 0.131 264.8)
- #473300
#473300
oklch(33.5% 0.069 84.4)
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 #142F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.039
- Marine #042E60 ΔE 0.046
- Midnight Blue #191970 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.056
- Royal #0C1793 ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.065
- Cobalt #1E488F ΔE 0.078
- Dark Blue #00008B ΔE 0.084
Use #142F79 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.