#2B899F
Closest named color: Teal Blue (#01889F). oklch(58.6% 0.091 216.9), rgb(43, 137, 159).
Aa
Black text reads best on this color (5.18:1).
About this color
#2B899F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.091 and its hue 217°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.014 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #2B899F |
| RGB | rgb(43, 137, 159) |
| HSL | hsl(191, 57%, 40%) |
| OKLCH | oklch(58.6% 0.091 216.9) |
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 #2B899F | 4.05:1 | AA large text | Lc -72.9 | Content text, not long reading |
| Black text on #2B899F | 5.18:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #2B899F text on white | 4.05:1 | AA large text | Lc 67.4 | Content text, not long reading |
| #2B899F text on black | 5.18:1 | AA | Lc -34.2 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A4C8D2
oklch(81% 0.041 216.5)
-
Step 400
400
#70ABBB
oklch(70.7% 0.065 216.7)
-
Step 500
500
#4696AA
oklch(63.1% 0.083 216.6)
-
Step 600
600 (this color)
#2B899F
oklch(58.6% 0.091 216.9)
-
Step 700
700
#0C6C80
oklch(49.1% 0.085 217.1)
-
Step 800
800
#115868
oklch(42.7% 0.07 217.2)
-
Step 900
900
#184954
oklch(37.8% 0.055 215.3)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#2B899F 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) | #7A85A0 | 0.079 |
| Deuteranopia (no green cones) | #6A799F | 0.071 |
| Tritanopia (no blue cones) | #009190 | 0.041 |
| Achromatopsia (no color) | #7E7E7E | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B899F
#2B899F
oklch(58.6% 0.091 216.9)
- #AB6855
#AB6855
oklch(58.6% 0.091 36.6)
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 #2B899F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.014
- Blue NCS #118AB2 ΔE 0.029
- Teal Green #0A9396 ΔE 0.038
- Dark Cyan #008B8B ΔE 0.038
- Cerulean #457B9D ΔE 0.042
- Stormy Blue #507B9C ΔE 0.046
- Off Blue #5684AE ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
Use #2B899F 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.