#142B4D
Closest named color: Oxford Blue (#1B263B). oklch(29% 0.069 258.1), rgb(20, 43, 77).
Aa
White text reads best on this color (14.16:1).
About this color
#142B4D is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.069 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.034 away. White text reads best on it, at 14.16:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.48:1 |
| White text | 14.16:1 |
Values
| HEX | #142B4D |
| RGB | rgb(20, 43, 77) |
| HSL | hsl(216, 59%, 19%) |
| OKLCH | oklch(29% 0.069 258.1) |
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 #142B4D | 14.16:1 | AAA | Lc -103.7 | Preferred for body text |
| Black text on #142B4D | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #142B4D text on white | 14.16:1 | AAA | Lc 100.7 | Preferred for body text |
| #142B4D text on black | 1.48:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A0C3F6
oklch(81% 0.082 257.7)
-
Step 400
400
#6CA1F1
oklch(70.6% 0.131 258.4)
-
Step 500
500
#4388EC
oklch(63.2% 0.166 257.9)
-
Step 600
600
#216FDB
oklch(55.7% 0.181 258.1)
-
Step 700
700
#135CBE
oklch(49.2% 0.169 258.1)
-
Step 800
800
#134C99
oklch(42.8% 0.139 257.8)
-
Step 900
900
#18407A
oklch(37.7% 0.109 258.1)
-
Step 950
950 (this color)
#142B4D
oklch(29% 0.069 258.1)
#142B4D 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) | #1C2E4E | 0.015 |
| Deuteranopia (no green cones) | #13294C | 0.007 |
| Tritanopia (no blue cones) | #003338 | 0.056 |
| Achromatopsia (no color) | #2B2B2B | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142B4D
#142B4D
oklch(29% 0.069 258.1)
- #3C2700
#3C2700
oklch(29.1% 0.061 77.8)
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 #142B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.034
- Marine #042E60 ΔE 0.035
- Prussian Blue #1D3557 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.047
- Dark #1B2431 ΔE 0.052
- Midnight Green #073B4C ΔE 0.054
- Dark Blue Grey #1F3B4D ΔE 0.057
Use #142B4D 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.