#2B5142
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.2% 0.051 166.5), rgb(43, 81, 66).
Aa
White text reads best on this color (8.90:1).
About this color
#2B5142 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.026 away. White text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #2B5142 |
| RGB | rgb(43, 81, 66) |
| HSL | hsl(156, 31%, 24%) |
| OKLCH | oklch(40.2% 0.051 166.5) |
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 #2B5142 | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #2B5142 | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #2B5142 text on white | 8.90:1 | AAA | Lc 90.3 | Preferred for body text |
| #2B5142 text on black | 2.35:1 | Fails | Lc -12.0 | 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 900.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#AAC9BB
oklch(80.9% 0.039 166.3)
-
Step 400
400
#7CAD98
oklch(70.7% 0.061 166.3)
-
Step 500
500
#58997F
oklch(63.2% 0.078 166.3)
-
Step 600
600
#3A8368
oklch(55.5% 0.085 166.4)
-
Step 700
700
#2C6F57
oklch(49.1% 0.079 166.7)
-
Step 800
800
#265A47
oklch(42.6% 0.065 166.8)
-
Step 900
900 (this color)
#2B5142
oklch(40.2% 0.051 166.5)
-
Step 950
950
#162C23
oklch(27.1% 0.033 165.9)
#2B5142 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) | #4F4C41 | 0.051 |
| Deuteranopia (no green cones) | #494843 | 0.049 |
| Tritanopia (no blue cones) | #20514D | 0.020 |
| Achromatopsia (no color) | #4A4A4A | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5142
#2B5142
oklch(40.2% 0.051 166.5)
- #5C3D4E
#5C3D4E
oklch(40.1% 0.05 345.6)
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 #2B5142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.026
- Dark Blue Green #005249 ΔE 0.027
- Dark Teal #014D4E ΔE 0.038
- Deep Teal #00555A ΔE 0.041
- Pine #2B5D34 ΔE 0.051
- Charcoal #264653 ΔE 0.054
- Charcoal Grey #3C4142 ΔE 0.055
- Spruce #0A5F38 ΔE 0.057
Use #2B5142 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.