#142939
Closest named color: Oxford Blue (#1B263B). oklch(27.2% 0.04 243), rgb(20, 41, 57).
Aa
White text reads best on this color (14.93:1).
About this color
#142939 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.040 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.014 away. White text reads best on it, at 14.93:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.40:1 |
| White text | 14.93:1 |
Values
| HEX | #142939 |
| RGB | rgb(20, 41, 57) |
| HSL | hsl(206, 48%, 15%) |
| OKLCH | oklch(27.2% 0.04 243) |
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 #142939 | 14.93:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #142939 | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #142939 text on white | 14.93:1 | AAA | Lc 101.7 | Preferred for body text |
| #142939 text on black | 1.40:1 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#76A7CD
oklch(70.8% 0.077 242.4)
-
Step 500
500
#5190C0
oklch(63.1% 0.098 243.2)
-
Step 600
600
#3279AC
oklch(55.5% 0.106 243.3)
-
Step 700
700
#246694
oklch(49.1% 0.099 243.2)
-
Step 800
800
#205378
oklch(42.6% 0.082 243.5)
-
Step 900
900
#204561
oklch(37.7% 0.064 243.6)
-
Step 950
950 (this color)
#142939
oklch(27.2% 0.04 243)
#142939 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) | #22293A | 0.020 |
| Deuteranopia (no green cones) | #1D2539 | 0.017 |
| Tritanopia (no blue cones) | #002D2E | 0.034 |
| Achromatopsia (no color) | #272727 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142939
#142939
oklch(27.2% 0.04 243)
- #352211
#352211
oklch(27.1% 0.04 61.6)
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 #142939, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.014
- Dark #1B2431 ΔE 0.020
- Jet #212529 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.042
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.054
- Midnight Green #073B4C ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.064
Use #142939 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.