#142F2B
Closest named color: Jet (#212529). oklch(28.2% 0.034 183.1), rgb(20, 47, 43).
Aa
White text reads best on this color (14.27:1).
About this color
#142F2B is a dark, muted teal or cyan. In OKLCH its lightness is 28%, its chroma 0.034 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Jet (#212529), ΔE 0.037 away. White text reads best on it, at 14.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (28%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Jet (#212529) |
| Black text | 1.47:1 |
| White text | 14.27:1 |
Values
| HEX | #142F2B |
| RGB | rgb(20, 47, 43) |
| HSL | hsl(171, 40%, 13%) |
| OKLCH | oklch(28.2% 0.034 183.1) |
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 #142F2B | 14.27:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #142F2B | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #142F2B text on white | 14.27:1 | AAA | Lc 100.9 | Preferred for body text |
| #142F2B text on black | 1.47:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5CAC3
oklch(81% 0.041 182.5)
-
Step 400
400
#72AEA4
oklch(70.7% 0.064 182.8)
-
Step 500
500
#489A8E
oklch(63.2% 0.082 182.8)
-
Step 600
600
#218478
oklch(55.5% 0.09 183)
-
Step 700
700
#107065
oklch(49.1% 0.084 182.8)
-
Step 800
800
#145B53
oklch(42.7% 0.068 183.8)
-
Step 900
900
#1A4B44
oklch(37.7% 0.054 182.4)
-
Step 950
950 (this color)
#142F2B
oklch(28.2% 0.034 183.1)
#142F2B 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) | #2D2C2B | 0.037 |
| Deuteranopia (no green cones) | #28292B | 0.034 |
| Tritanopia (no blue cones) | #08302E | 0.010 |
| Achromatopsia (no color) | #2A2A2A | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #142F2B
#142F2B
oklch(28.2% 0.034 183.1)
- #382228
#382228
oklch(28.2% 0.035 1.8)
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 #142F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.037
- Dark #1B2431 ΔE 0.045
- Oxford Blue #1B263B ΔE 0.051
- Pakistan Green #283618 ΔE 0.052
- Gunmetal #293241 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.058
- Midnight Green #073B4C ΔE 0.062
- Very Dark Green #062E03 ΔE 0.064
Use #142F2B 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.