#2B4233
Closest named color: Charcoal Grey (#3C4142). oklch(35.5% 0.039 155.3), rgb(43, 66, 51).
Aa
White text reads best on this color (10.88:1).
About this color
#2B4233 is a dark, muted green. In OKLCH its lightness is 35%, its chroma 0.039 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.039 away. White text reads best on it, at 10.88:1.
| Hue family | Greens |
| Lightness | dark (35%) |
| Chroma | muted (0.039) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.92:1 |
| White text | 10.88:1 |
Values
| HEX | #2B4233 |
| RGB | rgb(43, 66, 51) |
| HSL | hsl(141, 21%, 21%) |
| OKLCH | oklch(35.5% 0.039 155.3) |
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 #2B4233 | 10.88:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #2B4233 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #2B4233 text on white | 10.88:1 | AAA | Lc 95.2 | Preferred for body text |
| #2B4233 text on black | 1.92:1 | Fails | Lc -7.5 | 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
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DCD4
oklch(88.4% 0.016 154.4)
-
Step 300
300
#B2C7B9
oklch(81% 0.03 156.5)
-
Step 400
400
#8AAA94
oklch(70.8% 0.047 155)
-
Step 500
500
#6C957A
oklch(63.2% 0.061 155.4)
-
Step 600
600
#547F63
oklch(55.7% 0.065 155.2)
-
Step 700
700
#446B52
oklch(49.1% 0.06 155.4)
-
Step 800
800
#385743
oklch(42.6% 0.05 155.4)
-
Step 900
900 (this color)
#2B4233
oklch(35.5% 0.039 155.3)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#2B4233 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) | #423E32 | 0.036 |
| Deuteranopia (no green cones) | #3E3C34 | 0.034 |
| Tritanopia (no blue cones) | #27423E | 0.019 |
| Achromatopsia (no color) | #3D3D3D | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B4233
#2B4233
oklch(35.5% 0.039 155.3)
- #493444
#493444
oklch(35.5% 0.039 335.1)
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 #2B4233, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.039
- Evergreen #05472A ΔE 0.041
- Onyx #343A40 ΔE 0.043
- Pakistan Green #283618 ΔE 0.050
- Dark Teal #014D4E ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Pine Green #0A481E ΔE 0.054
- Dark Olive #373E02 ΔE 0.054
Use #2B4233 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.