#2B6861
Closest named color: Dark Aqua (#05696B). oklch(47.5% 0.064 185.1), rgb(43, 104, 97).
Aa
White text reads best on this color (6.45:1).
About this color
#2B6861 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 48%, its chroma 0.064 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.021 away. White text reads best on it, at 6.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #2B6861 |
| RGB | rgb(43, 104, 97) |
| HSL | hsl(173, 41%, 29%) |
| OKLCH | oklch(47.5% 0.064 185.1) |
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 #2B6861 | 6.45:1 | AA | Lc -86.9 | Fine for body text |
| Black text on #2B6861 | 3.25:1 | AA large text | Lc 22.2 | Dividers and decoration only |
| #2B6861 text on white | 6.45:1 | AA | Lc 81.8 | Fine for body text |
| #2B6861 text on black | 3.25:1 | AA large text | Lc -20.1 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC7C3
oklch(80.8% 0.031 186.1)
-
Step 400
400
#7EABA5
oklch(70.7% 0.049 185.9)
-
Step 500
500
#5B968E
oklch(63% 0.063 184.8)
-
Step 600
600
#3F8179
oklch(55.8% 0.069 185.1)
-
Step 700
700 (this color)
#2B6861
oklch(47.5% 0.064 185.1)
-
Step 800
800
#295853
oklch(42.6% 0.052 186.3)
-
Step 900
900
#264944
oklch(37.7% 0.042 183.9)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#2B6861 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) | #636361 | 0.068 |
| Deuteranopia (no green cones) | #595B62 | 0.065 |
| Tritanopia (no blue cones) | #006A66 | 0.019 |
| Achromatopsia (no color) | #5E5E5E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B6861
#2B6861
oklch(47.5% 0.064 185.1)
- #7B4D57
#7B4D57
oklch(47.5% 0.064 5.6)
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 #2B6861, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.021
- Dark Green Blue #1F6357 ΔE 0.023
- Dark Aquamarine #017371 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.038
- Petrol #005F6A ΔE 0.044
- Slate #516572 ΔE 0.055
- Bluegreen #017A79 ΔE 0.057
- Deep Aqua #08787F ΔE 0.057
Use #2B6861 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.