#2B665E
Closest named color: Dark Green Blue (#1F6357). oklch(46.9% 0.063 183.5), rgb(43, 102, 94).
Aa
White text reads best on this color (6.63:1).
About this color
#2B665E is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.063 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.017 away. White text reads best on it, at 6.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.16:1 |
| White text | 6.63:1 |
Values
| HEX | #2B665E |
| RGB | rgb(43, 102, 94) |
| HSL | hsl(172, 41%, 28%) |
| OKLCH | oklch(46.9% 0.063 183.5) |
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 #2B665E | 6.63:1 | AA | Lc -87.7 | Fine for body text |
| Black text on #2B665E | 3.16:1 | AA large text | Lc 21.4 | Dividers and decoration only |
| #2B665E text on white | 6.63:1 | AA | Lc 82.6 | Fine for body text |
| #2B665E text on black | 3.16:1 | AA large text | Lc -19.3 | 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
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ACC7C2
oklch(80.8% 0.03 183.2)
-
Step 400
400
#7FABA4
oklch(70.7% 0.048 184.1)
-
Step 500
500
#5D968D
oklch(63.1% 0.062 183.2)
-
Step 600
600
#418077
oklch(55.5% 0.067 183.5)
-
Step 700
700 (this color)
#2B665E
oklch(46.9% 0.063 183.5)
-
Step 800
800
#2A5852
oklch(42.6% 0.052 184.4)
-
Step 900
900
#274944
oklch(37.8% 0.041 183.6)
-
Step 950
950
#182B28
oklch(27.2% 0.026 183.3)
#2B665E 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) | #61615E | 0.066 |
| Deuteranopia (no green cones) | #585A5F | 0.063 |
| Tritanopia (no blue cones) | #006863 | 0.019 |
| Achromatopsia (no color) | #5D5D5D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B665E
#2B665E
oklch(46.9% 0.063 183.5)
- #784B57
#784B57
oklch(46.8% 0.063 2.5)
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 #2B665E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.017
- Dark Aqua #05696B ΔE 0.024
- Petrol #005F6A ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.042
- Deep Turquoise #017374 ΔE 0.044
- Slate #516572 ΔE 0.057
- Pine #2B5D34 ΔE 0.063
- Bluegreen #017A79 ΔE 0.063
Use #2B665E 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.