#2B7770
Closest named color: Bluegreen (#017A79). oklch(52.1% 0.075 186.7), rgb(43, 119, 112).
Aa
White text reads best on this color (5.28:1).
About this color
#2B7770 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.075 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.018 away. White text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #2B7770 |
| RGB | rgb(43, 119, 112) |
| HSL | hsl(174, 47%, 32%) |
| OKLCH | oklch(52.1% 0.075 186.7) |
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 #2B7770 | 5.28:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #2B7770 | 3.97:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #2B7770 text on white | 5.28:1 | AA | Lc 76.0 | Fine for body text |
| #2B7770 text on black | 3.97:1 | AA large text | Lc -25.7 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#77ADA6
oklch(70.8% 0.058 185.9)
-
Step 500
500
#509891
oklch(63.1% 0.073 187.3)
-
Step 600
600
#2F827B
oklch(55.5% 0.08 187.3)
-
Step 700
700 (this color)
#2B7770
oklch(52.1% 0.075 186.7)
-
Step 800
800
#1E5A54
oklch(42.7% 0.062 185.9)
-
Step 900
900
#1F4A46
oklch(37.7% 0.048 187.2)
-
Step 950
950
#132B29
oklch(26.9% 0.03 188.5)
#2B7770 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) | #717170 | 0.079 |
| Deuteranopia (no green cones) | #656871 | 0.075 |
| Tritanopia (no blue cones) | #007A75 | 0.016 |
| Achromatopsia (no color) | #6C6C6C | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B7770
#2B7770
oklch(52.1% 0.075 186.7)
- #8E5762
#8E5762
oklch(52.2% 0.074 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 #2B7770, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.018
- Dark Aquamarine #017371 ΔE 0.023
- Deep Turquoise #017374 ΔE 0.024
- Deep Aqua #08787F ΔE 0.025
- Teal #008080 ΔE 0.031
- Dark Aqua #05696B ΔE 0.050
- Ocean #017B92 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.062
Use #2B7770 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.