#2B5956
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.1% 0.051 189.9), rgb(43, 89, 86).
Aa
White text reads best on this color (7.87:1).
About this color
#2B5956 is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.051 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.031 away. White text reads best on it, at 7.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #2B5956 |
| RGB | rgb(43, 89, 86) |
| HSL | hsl(176, 35%, 26%) |
| OKLCH | oklch(43.1% 0.051 189.9) |
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 #2B5956 | 7.87:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #2B5956 | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #2B5956 text on white | 7.87:1 | AAA | Lc 87.2 | Fine for body text |
| #2B5956 text on black | 2.66:1 | Fails | Lc -14.9 | 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 800.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ACC7C5
oklch(80.9% 0.029 191.1)
-
Step 400
400
#7FABA7
oklch(70.8% 0.048 189.2)
-
Step 500
500
#5C9691
oklch(63.2% 0.061 188.7)
-
Step 600
600
#40807C
oklch(55.6% 0.066 190.1)
-
Step 700
700
#316C68
oklch(49.1% 0.062 189.4)
-
Step 800
800 (this color)
#2B5956
oklch(43.1% 0.051 189.9)
-
Step 900
900
#274846
oklch(37.6% 0.039 190.6)
-
Step 950
950
#172A29
oklch(26.8% 0.025 191.5)
#2B5956 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) | #555556 | 0.055 |
| Deuteranopia (no green cones) | #4D4F56 | 0.051 |
| Tritanopia (no blue cones) | #125B58 | 0.017 |
| Achromatopsia (no color) | #515151 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B5956
#2B5956
oklch(43.1% 0.051 189.9)
- #69444A
#69444A
oklch(43.1% 0.052 8.8)
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 #2B5956, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.031
- Deep Teal #00555A ΔE 0.031
- Dark Green Blue #1F6357 ΔE 0.032
- Petrol #005F6A ΔE 0.035
- Dark Blue Green #005249 ΔE 0.043
- Dark Aqua #05696B ΔE 0.052
- Dark Teal #014D4E ΔE 0.052
- Pine #2B5D34 ΔE 0.059
Use #2B5956 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.