#142F3E
Closest named color: Oxford Blue (#1B263B). oklch(29.1% 0.043 235.2), rgb(20, 47, 62).
Aa
White text reads best on this color (13.94:1).
About this color
#142F3E is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.043 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.030 away. White text reads best on it, at 13.94:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #142F3E |
| RGB | rgb(20, 47, 62) |
| HSL | hsl(201, 51%, 16%) |
| OKLCH | oklch(29.1% 0.043 235.2) |
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 #142F3E | 13.94:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #142F3E | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #142F3E text on white | 13.94:1 | AAA | Lc 100.5 | Preferred for body text |
| #142F3E text on black | 1.50:1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A2C7DD
oklch(81% 0.05 234.3)
-
Step 400
400
#6DA9CC
oklch(70.7% 0.081 235.1)
-
Step 500
500
#4093BF
oklch(63.1% 0.104 235)
-
Step 600
600
#147CAC
oklch(55.5% 0.114 235.8)
-
Step 700
700
#006993
oklch(49.2% 0.104 234.9)
-
Step 800
800
#0A5677
oklch(42.8% 0.086 234.3)
-
Step 900
900
#154760
oklch(37.7% 0.067 234.6)
-
Step 950
950 (this color)
#142F3E
oklch(29.1% 0.043 235.2)
#142F3E 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) | #282F3F | 0.027 |
| Deuteranopia (no green cones) | #222A3E | 0.023 |
| Tritanopia (no blue cones) | #003334 | 0.031 |
| Achromatopsia (no color) | #2C2C2C | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142F3E
#142F3E
oklch(29.1% 0.043 235.2)
- #3C2616
#3C2616
oklch(29.2% 0.043 56.2)
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 #142F3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.030
- Gunmetal #293241 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.034
- Dark #1B2431 ΔE 0.039
- Midnight Green #073B4C ΔE 0.042
- Jet #212529 ΔE 0.045
- Dark Blue Grey #1F3B4D ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.049
Use #142F3E 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.