#142440
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.057 260.9), rgb(20, 36, 64).
Aa
White text reads best on this color (15.48:1).
About this color
#142440 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.057 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.016 away. White text reads best on it, at 15.48:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #142440 |
| RGB | rgb(20, 36, 64) |
| HSL | hsl(218, 52%, 16%) |
| OKLCH | oklch(26.2% 0.057 260.9) |
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 #142440 | 15.48:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #142440 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #142440 text on white | 15.48:1 | AAA | Lc 102.3 | Preferred for body text |
| #142440 text on black | 1.35:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CBDAF3
oklch(88.5% 0.038 260.7)
-
Step 300
300
#A8C2ED
oklch(80.9% 0.067 260.4)
-
Step 400
400
#7AA1E4
oklch(70.7% 0.108 260.9)
-
Step 500
500
#5888DC
oklch(63.1% 0.137 260.9)
-
Step 600
600
#3D70CA
oklch(55.6% 0.15 260.8)
-
Step 700
700
#2F5DAF
oklch(49.1% 0.14 260.9)
-
Step 800
800
#284C8D
oklch(42.6% 0.116 261.2)
-
Step 900
900
#254071
oklch(37.7% 0.09 261.4)
-
Step 950
950 (this color)
#142440
oklch(26.2% 0.057 260.9)
#142440 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) | #182641 | 0.009 |
| Deuteranopia (no green cones) | #12223F | 0.008 |
| Tritanopia (no blue cones) | #002A2E | 0.049 |
| Achromatopsia (no color) | #242424 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142440
#142440
oklch(26.2% 0.057 260.9)
- #322100
#322100
oklch(26.2% 0.054 80.3)
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 #142440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.016
- Dark #1B2431 ΔE 0.030
- Jet #212529 ΔE 0.048
- Space Cadet #2B2D42 ΔE 0.049
- Rich Black #0D1B2A ΔE 0.050
- Gunmetal #293241 ΔE 0.060
- Marine #042E60 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.066
Use #142440 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.