#2BC3B9
Closest named color: Topaz (#13BBAF). oklch(74% 0.121 188), rgb(43, 195, 185).
Aa
Black text reads best on this color (9.60:1).
About this color
#2BC3B9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.121 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.026 away. Black text reads best on it, at 9.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.60:1 |
| White text | 2.18:1 |
Values
| HEX | #2BC3B9 |
| RGB | rgb(43, 195, 185) |
| HSL | hsl(176, 64%, 47%) |
| OKLCH | oklch(74% 0.121 188) |
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 #2BC3B9 | 2.18:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #2BC3B9 | 9.60:1 | AAA | Lc 61.4 | Content text, not long reading |
| #2BC3B9 text on white | 2.18:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #2BC3B9 text on black | 9.60:1 | AAA | Lc -59.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#EEF8F7
oklch(97.1% 0.011 189.8)
-
Step 100
100
#DAEFEC
oklch(93.6% 0.022 186.5)
-
Step 200
200
#BBE3DE
oklch(88.6% 0.042 187.1)
-
Step 300
300
#86D1CA
oklch(81% 0.075 188.3)
-
Step 400
400 (this color)
#2BC3B9
oklch(74% 0.121 188)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#2BC3B9 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) | #B8B8B9 | 0.128 |
| Deuteranopia (no green cones) | #A3A9BA | 0.120 |
| Tritanopia (no blue cones) | #00C8C0 | 0.015 |
| Achromatopsia (no color) | #AFAFAF | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2BC3B9
#2BC3B9
oklch(74% 0.121 188)
- #EB899C
#EB899C
oklch(73.9% 0.121 8)
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 #2BC3B9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.026
- Dark Turquoise #00CED1 ΔE 0.038
- Medium Turquoise #48D1CC ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.050
- Medium Aquamarine #66CDAA ΔE 0.054
- Greeny Blue #42B395 ΔE 0.057
- Turquoise Blue #06B1C4 ΔE 0.061
- Green Blue #01C08D ΔE 0.064
Use #2BC3B9 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.