#2B4B3E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(38.4% 0.044 166.3), rgb(43, 75, 62).
Aa
White text reads best on this color (9.63:1).
About this color
#2B4B3E is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.044 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 0.029 away. White text reads best on it, at 9.63:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.17:1 |
| White text | 9.63:1 |
Values
| HEX | #2B4B3E |
| RGB | rgb(43, 75, 62) |
| HSL | hsl(156, 27%, 23%) |
| OKLCH | oklch(38.4% 0.044 166.3) |
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 #2B4B3E | 9.63:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #2B4B3E | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #2B4B3E text on white | 9.63:1 | AAA | Lc 92.3 | Preferred for body text |
| #2B4B3E text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CEDDD6
oklch(88.4% 0.019 166.3)
-
Step 300
300
#ADC8BC
oklch(80.9% 0.034 166.9)
-
Step 400
400
#81AC99
oklch(70.8% 0.054 165.9)
-
Step 500
500
#609780
oklch(63.1% 0.068 166)
-
Step 600
600
#45816A
oklch(55.6% 0.073 166.9)
-
Step 700
700
#366D58
oklch(49.1% 0.068 166.6)
-
Step 800
800
#2D5948
oklch(42.7% 0.057 166.6)
-
Step 900
900 (this color)
#2B4B3E
oklch(38.4% 0.044 166.3)
-
Step 950
950
#192B23
oklch(27% 0.028 164.8)
#2B4B3E 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) | #4A473D | 0.045 |
| Deuteranopia (no green cones) | #44433F | 0.043 |
| Tritanopia (no blue cones) | #224B47 | 0.017 |
| Achromatopsia (no color) | #454545 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4B3E
#2B4B3E
oklch(38.4% 0.044 166.3)
- #553A48
#553A48
oklch(38.4% 0.044 346.9)
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 #2B4B3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Blue Green #005249 ΔE 0.032
- Dark Teal #014D4E ΔE 0.034
- Charcoal Grey #3C4142 ΔE 0.042
- Charcoal #264653 ΔE 0.045
- Evergreen #05472A ΔE 0.049
- Deep Teal #00555A ΔE 0.049
- Dark Grey Blue #29465B ΔE 0.058
Use #2B4B3E 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.