#2B4133
Closest named color: Charcoal Grey (#3C4142). oklch(35.2% 0.037 156.1), rgb(43, 65, 51).
Aa
White text reads best on this color (11.01:1).
About this color
#2B4133 is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.037 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 11.01:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.037) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.90:1 |
| White text | 11.01:1 |
Values
| HEX | #2B4133 |
| RGB | rgb(43, 65, 51) |
| HSL | hsl(142, 20%, 21%) |
| OKLCH | oklch(35.2% 0.037 156.1) |
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 #2B4133 | 11.01:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #2B4133 | 1.90:1 | Fails | Lc 8.4 | Not readable |
| #2B4133 text on white | 11.01:1 | AAA | Lc 95.5 | Preferred for body text |
| #2B4133 text on black | 1.90:1 | 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 900.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B3C6B9
oklch(80.8% 0.027 155.8)
-
Step 400
400
#8BA995
oklch(70.6% 0.044 155.9)
-
Step 500
500
#6E947B
oklch(63.1% 0.056 155.6)
-
Step 600
600
#557E64
oklch(55.5% 0.061 156)
-
Step 700
700
#456B53
oklch(49.2% 0.058 155.9)
-
Step 800
800
#395744
oklch(42.7% 0.048 156)
-
Step 900
900 (this color)
#2B4133
oklch(35.2% 0.037 156.1)
-
Step 950
950
#1D2A22
oklch(27% 0.023 157.4)
#2B4133 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) | #413E32 | 0.034 |
| Deuteranopia (no green cones) | #3D3B34 | 0.033 |
| Tritanopia (no blue cones) | #27413D | 0.017 |
| Achromatopsia (no color) | #3C3C3C | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4133
#2B4133
oklch(35.2% 0.037 156.1)
- #483442
#483442
oklch(35.3% 0.036 337.7)
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 #2B4133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Onyx #343A40 ΔE 0.040
- Evergreen #05472A ΔE 0.043
- Pakistan Green #283618 ΔE 0.048
- Charcoal #264653 ΔE 0.052
- Dark Teal #014D4E ΔE 0.052
- Dark Olive #373E02 ΔE 0.055
- Pine Green #0A481E ΔE 0.056
Use #2B4133 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.