#142A3F
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.048 248.9), rgb(20, 42, 63).
Aa
White text reads best on this color (14.65:1).
About this color
#142A3F is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.048 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.015 away. White text reads best on it, at 14.65:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.43:1 |
| White text | 14.65:1 |
Values
| HEX | #142A3F |
| RGB | rgb(20, 42, 63) |
| HSL | hsl(209, 52%, 16%) |
| OKLCH | oklch(27.8% 0.048 248.9) |
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 #142A3F | 14.65:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #142A3F | 1.43:1 | Fails | Lc 0.0 | Not readable |
| #142A3F text on white | 14.65:1 | AAA | Lc 101.4 | Preferred for body text |
| #142A3F text on black | 1.43:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400
#73A5D7
oklch(70.6% 0.091 249.2)
-
Step 500
500
#4C8ECD
oklch(63.1% 0.117 249.2)
-
Step 600
600
#2C77BA
oklch(55.6% 0.127 249.2)
-
Step 700
700
#1D64A0
oklch(49.1% 0.118 248.7)
-
Step 800
800
#1B5282
oklch(42.8% 0.098 248.8)
-
Step 900
900
#1D4468
oklch(37.7% 0.076 248.9)
-
Step 950
950 (this color)
#142A3F
oklch(27.8% 0.048 248.9)
#142A3F 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) | #212B40 | 0.018 |
| Deuteranopia (no green cones) | #1B273F | 0.013 |
| Tritanopia (no blue cones) | #002F31 | 0.040 |
| Achromatopsia (no color) | #282828 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142A3F
#142A3F
oklch(27.8% 0.048 248.9)
- #38240B
#38240B
oklch(27.9% 0.048 69.4)
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 #142A3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.015
- Dark #1B2431 ΔE 0.029
- Space Cadet #2B2D42 ΔE 0.037
- Jet #212529 ΔE 0.042
- Gunmetal #293241 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.054
- Midnight Green #073B4C ΔE 0.056
- Marine #042E60 ΔE 0.059
Use #142A3F 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.