#2B6B59
Closest named color: Dark Green Blue (#1F6357). oklch(48.1% 0.072 171.9), rgb(43, 107, 89).
Aa
White text reads best on this color (6.26:1).
About this color
#2B6B59 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.072 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.028 away. White text reads best on it, at 6.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.35:1 |
| White text | 6.26:1 |
Values
| HEX | #2B6B59 |
| RGB | rgb(43, 107, 89) |
| HSL | hsl(163, 43%, 29%) |
| OKLCH | oklch(48.1% 0.072 171.9) |
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 #2B6B59 | 6.26:1 | AA | Lc -86.2 | Fine for body text |
| Black text on #2B6B59 | 3.35:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #2B6B59 text on white | 6.26:1 | AA | Lc 81.0 | Fine for body text |
| #2B6B59 text on black | 3.35:1 | AA large text | Lc -20.8 | 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 700.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD7
oklch(88.4% 0.019 171.4)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7DAC9C
oklch(70.6% 0.056 171.6)
-
Step 500
500
#5A9884
oklch(63.2% 0.072 171.3)
-
Step 600
600
#3D826E
oklch(55.6% 0.077 172)
-
Step 700
700 (this color)
#2B6B59
oklch(48.1% 0.072 171.9)
-
Step 800
800
#285A4B
oklch(42.8% 0.06 171.3)
-
Step 900
900
#254A3F
oklch(37.8% 0.047 172.3)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#2B6B59 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) | #686458 | 0.075 |
| Deuteranopia (no green cones) | #5E5D5A | 0.071 |
| Tritanopia (no blue cones) | #046C66 | 0.024 |
| Achromatopsia (no color) | #606060 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6B59
#2B6B59
oklch(48.1% 0.072 171.9)
- #7D4C62
#7D4C62
oklch(48% 0.073 351.7)
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 #2B6B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.028
- Dark Aqua #05696B ΔE 0.035
- Dark Aquamarine #017371 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.042
- Bluegreen #017A79 ΔE 0.056
- Petrol #005F6A ΔE 0.059
- Deep Aqua #08787F ΔE 0.060
- Pine #2B5D34 ΔE 0.060
Use #2B6B59 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.