#142D3A
Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.039 233.1), rgb(20, 45, 58).
Aa
White text reads best on this color (14.32:1).
About this color
#142D3A is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.039 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.025 away. White text reads best on it, at 14.32:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.32:1 |
Values
| HEX | #142D3A |
| RGB | rgb(20, 45, 58) |
| HSL | hsl(201, 49%, 15%) |
| OKLCH | oklch(28.4% 0.039 233.1) |
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 #142D3A | 14.32:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #142D3A | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #142D3A text on white | 14.32:1 | AAA | Lc 101.0 | Preferred for body text |
| #142D3A text on black | 1.46:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DA
oklch(80.8% 0.046 233.9)
-
Step 400
400
#71A9C8
oklch(70.8% 0.074 233.5)
-
Step 500
500
#4793BA
oklch(63.1% 0.095 233.4)
-
Step 600
600
#227DA6
oklch(55.7% 0.103 233.1)
-
Step 700
700
#12698E
oklch(49.1% 0.096 233.1)
-
Step 800
800
#145673
oklch(42.8% 0.079 232.5)
-
Step 900
900
#1A475D
oklch(37.7% 0.061 233)
-
Step 950
950 (this color)
#142D3A
oklch(28.4% 0.039 233.1)
#142D3A 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) | #272C3B | 0.026 |
| Deuteranopia (no green cones) | #21283A | 0.023 |
| Tritanopia (no blue cones) | #003031 | 0.028 |
| Achromatopsia (no color) | #2A2A2A | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142D3A
#142D3A
oklch(28.4% 0.039 233.1)
- #392417
#392417
oklch(28.3% 0.039 52.3)
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 #142D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.025
- Dark #1B2431 ΔE 0.031
- Jet #212529 ΔE 0.037
- Gunmetal #293241 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.037
- Midnight Green #073B4C ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.057
Use #142D3A 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.