#1BB3C2
Closest named color: Turquoise Blue (#06B1C4). oklch(70.2% 0.116 205.8), rgb(27, 179, 194).
Aa
Black text reads best on this color (8.27:1).
About this color
#1BB3C2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.116 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.008 away. Black text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.27:1 |
| White text | 2.53:1 |
Values
| HEX | #1BB3C2 |
| RGB | rgb(27, 179, 194) |
| HSL | hsl(185, 76%, 43%) |
| OKLCH | oklch(70.2% 0.116 205.8) |
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 #1BB3C2 | 2.53:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #1BB3C2 | 8.27:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #1BB3C2 text on white | 2.53:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #1BB3C2 text on black | 8.27:1 | AAA | Lc -52.7 | 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
#EEF7F9
oklch(97% 0.01 212.5)
-
Step 100
100
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200
#BBE1E6
oklch(88.4% 0.04 206.2)
-
Step 300
300
#87CFD7
oklch(81% 0.073 204.7)
-
Step 400
400 (this color)
#1BB3C2
oklch(70.2% 0.116 205.8)
-
Step 500
500
#009BA9
oklch(63% 0.108 206.1)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#1BB3C2 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) | #A3ABC3 | 0.114 |
| Deuteranopia (no green cones) | #8E9CC2 | 0.104 |
| Tritanopia (no blue cones) | #00BBB7 | 0.033 |
| Achromatopsia (no color) | #A2A2A2 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB3C2
#1BB3C2
oklch(70.2% 0.116 205.8)
- #DE8179
#DE8179
oklch(70.2% 0.116 25.7)
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 #1BB3C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.008
- Light Sea Green #20B2AA ΔE 0.035
- Topaz #13BBAF ΔE 0.042
- Greeny Blue #42B395 ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.071
- Dark Turquoise #00CED1 ΔE 0.074
- Bluegrey #85A3B2 ΔE 0.081
Use #1BB3C2 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.