#142F54
Closest named color: Prussian Blue (#1D3557). oklch(30.6% 0.075 256.9), rgb(20, 47, 84).
Aa
White text reads best on this color (13.42:1).
About this color
#142F54 is a dark, moderately saturated blue. In OKLCH its lightness is 31%, its chroma 0.075 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.023 away. White text reads best on it, at 13.42:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.56:1 |
| White text | 13.42:1 |
Values
| HEX | #142F54 |
| RGB | rgb(20, 47, 84) |
| HSL | hsl(215, 62%, 20%) |
| OKLCH | oklch(30.6% 0.075 256.9) |
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 #142F54 | 13.42:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #142F54 | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #142F54 text on white | 13.42:1 | AAA | Lc 99.7 | Preferred for body text |
| #142F54 text on black | 1.56:1 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBFA
oklch(88.5% 0.049 256.9)
-
Step 300
300
#9CC3FA
oklch(80.9% 0.089 257)
-
Step 400
400
#64A2F7
oklch(70.8% 0.141 256.6)
-
Step 500
500
#3587F4
oklch(63% 0.181 257)
-
Step 600
600
#006EE3
oklch(55.7% 0.197 256.9)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800
#004B9F
oklch(42.7% 0.151 256.9)
-
Step 900
900
#0E407E
oklch(37.7% 0.117 256.5)
-
Step 950
950 (this color)
#142F54
oklch(30.6% 0.075 256.9)
#142F54 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) | #1E3255 | 0.016 |
| Deuteranopia (no green cones) | #142C53 | 0.009 |
| Tritanopia (no blue cones) | #00383D | 0.060 |
| Achromatopsia (no color) | #2F2F2F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142F54
#142F54
oklch(30.6% 0.075 256.9)
- #412A00
#412A00
oklch(30.5% 0.064 76.8)
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 #142F54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.023
- Marine #042E60 ΔE 0.025
- Space Cadet #2B2D42 ΔE 0.042
- Marine Blue #01386A ΔE 0.044
- Midnight Green #073B4C ΔE 0.046
- Gunmetal #293241 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Oxford Blue #1B263B ΔE 0.049
Use #142F54 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.