#2B5040
Closest named color: Dark Blue Green (#005249). oklch(39.8% 0.051 164.4), rgb(43, 80, 64).
Aa
White text reads best on this color (9.03:1).
About this color
#2B5040 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.051 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.027 away. White text reads best on it, at 9.03:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #2B5040 |
| RGB | rgb(43, 80, 64) |
| HSL | hsl(154, 30%, 24%) |
| OKLCH | oklch(39.8% 0.051 164.4) |
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 #2B5040 | 9.03:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #2B5040 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #2B5040 text on white | 9.03:1 | AAA | Lc 90.7 | Preferred for body text |
| #2B5040 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#ABC9BA
oklch(80.9% 0.038 163.8)
-
Step 400
400
#7DAD97
oklch(70.7% 0.061 164.7)
-
Step 500
500
#59997D
oklch(63.2% 0.079 164.3)
-
Step 600
600
#3D8366
oklch(55.6% 0.085 164.1)
-
Step 700
700
#2E6F55
oklch(49.2% 0.079 164.4)
-
Step 800
800
#275A46
oklch(42.6% 0.065 165.3)
-
Step 900
900 (this color)
#2B5040
oklch(39.8% 0.051 164.4)
-
Step 950
950
#172B22
oklch(26.9% 0.031 164)
#2B5040 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) | #4F4B3F | 0.051 |
| Deuteranopia (no green cones) | #494741 | 0.049 |
| Tritanopia (no blue cones) | #21504B | 0.019 |
| Achromatopsia (no color) | #494949 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5040
#2B5040
oklch(39.8% 0.051 164.4)
- #5B3C4E
#5B3C4E
oklch(39.8% 0.051 344)
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 #2B5040, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Teal #014D4E ΔE 0.038
- Deep Teal #00555A ΔE 0.044
- Pine #2B5D34 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.054
- Charcoal #264653 ΔE 0.054
- Evergreen #05472A ΔE 0.055
Use #2B5040 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.