#142C43
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.052 249.2), rgb(20, 44, 67).
Aa
White text reads best on this color (14.27:1).
About this color
#142C43 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.052 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.27:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.47:1 |
| White text | 14.27:1 |
Values
| HEX | #142C43 |
| RGB | rgb(20, 44, 67) |
| HSL | hsl(209, 54%, 17%) |
| OKLCH | oklch(28.6% 0.052 249.2) |
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 #142C43 | 14.27:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #142C43 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #142C43 text on white | 14.27:1 | AAA | Lc 100.9 | Preferred for body text |
| #142C43 text on black | 1.47:1 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A2C5E7
oklch(80.9% 0.061 247.8)
-
Step 400
400
#6FA5DC
oklch(70.6% 0.099 249.8)
-
Step 500
500
#458ED2
oklch(63.1% 0.126 249)
-
Step 600
600
#2277BF
oklch(55.6% 0.136 249)
-
Step 700
700
#1263A5
oklch(49% 0.128 249.4)
-
Step 800
800
#145186
oklch(42.6% 0.106 249.7)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950 (this color)
#142C43
oklch(28.6% 0.052 249.2)
#142C43 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) | #222D44 | 0.019 |
| Deuteranopia (no green cones) | #1C2843 | 0.016 |
| Tritanopia (no blue cones) | #003134 | 0.041 |
| Achromatopsia (no color) | #2A2A2A | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142C43
#142C43
oklch(28.6% 0.052 249.2)
- #3B2509
#3B2509
oklch(28.6% 0.052 69)
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 #142C43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.033
- Dark #1B2431 ΔE 0.038
- Gunmetal #293241 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.045
- Jet #212529 ΔE 0.049
- Midnight Green #073B4C ΔE 0.049
- Marine #042E60 ΔE 0.052
Use #142C43 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.