#2B6356
Closest named color: Dark Green Blue (#1F6357). oklch(45.8% 0.063 176), rgb(43, 99, 86).
Aa
White text reads best on this color (6.94:1).
About this color
#2B6356 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.063 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.009 away. White text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #2B6356 |
| RGB | rgb(43, 99, 86) |
| HSL | hsl(166, 39%, 28%) |
| OKLCH | oklch(45.8% 0.063 176) |
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 #2B6356 | 6.94:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #2B6356 | 3.02:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #2B6356 text on white | 6.94:1 | AA | Lc 83.9 | Fine for body text |
| #2B6356 text on black | 3.02:1 | AA large text | Lc -18.1 | Dividers and decoration only |
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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9C0
oklch(81% 0.037 176.5)
-
Step 400
400
#79AD9F
oklch(70.7% 0.059 175.9)
-
Step 500
500
#539988
oklch(63.2% 0.076 176.1)
-
Step 600
600
#348371
oklch(55.6% 0.082 175.6)
-
Step 700
700
#266F5F
oklch(49.2% 0.076 175.8)
-
Step 800
800 (this color)
#2B6356
oklch(45.8% 0.063 176)
-
Step 900
900
#214A40
oklch(37.6% 0.05 175.5)
-
Step 950
950
#152B26
oklch(26.9% 0.03 177.6)
#2B6356 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) | #605D55 | 0.067 |
| Deuteranopia (no green cones) | #575757 | 0.063 |
| Tritanopia (no blue cones) | #0D645F | 0.020 |
| Achromatopsia (no color) | #5A5A5A | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6356
#2B6356
oklch(45.8% 0.063 176)
- #744859
#744859
oklch(45.8% 0.064 355.2)
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 #2B6356, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.009
- Dark Aqua #05696B ΔE 0.034
- Petrol #005F6A ΔE 0.043
- Pine #2B5D34 ΔE 0.050
- Spruce #0A5F38 ΔE 0.053
- Dark Aquamarine #017371 ΔE 0.054
- Deep Turquoise #017374 ΔE 0.057
- Deep Teal #00555A ΔE 0.057
Use #2B6356 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.