#1BB8BD
Closest named color: Topaz (#13BBAF). oklch(71.2% 0.117 198.4), rgb(27, 184, 189).
Aa
Black text reads best on this color (8.63:1).
About this color
#1BB8BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.117 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.025 away. Black text reads best on it, at 8.63:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.63:1 |
| White text | 2.43:1 |
Values
| HEX | #1BB8BD |
| RGB | rgb(27, 184, 189) |
| HSL | hsl(182, 75%, 42%) |
| OKLCH | oklch(71.2% 0.117 198.4) |
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 #1BB8BD | 2.43:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #1BB8BD | 8.63:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #1BB8BD text on white | 2.43:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #1BB8BD text on black | 8.63:1 | AAA | Lc -54.7 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFEF
oklch(93.7% 0.022 196.8)
-
Step 200
200
#BBE2E3
oklch(88.5% 0.041 198.4)
-
Step 300
300
#86D0D2
oklch(81% 0.074 198)
-
Step 400
400 (this color)
#1BB8BD
oklch(71.2% 0.117 198.4)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#1BB8BD 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) | #AAAFBE | 0.120 |
| Deuteranopia (no green cones) | #95A0BE | 0.111 |
| Tritanopia (no blue cones) | #00BFB9 | 0.023 |
| Achromatopsia (no color) | #A6A6A6 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB8BD
#1BB8BD
oklch(71.2% 0.117 198.4)
- #E28386
#E28386
oklch(71.3% 0.117 18.4)
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 #1BB8BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.025
- Turquoise Blue #06B1C4 ΔE 0.026
- Light Sea Green #20B2AA ΔE 0.029
- Greeny Blue #42B395 ΔE 0.055
- Dark Turquoise #00CED1 ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.076
- Medium Turquoise #48D1CC ΔE 0.076
- Greyblue #77A1B5 ΔE 0.080
Use #1BB8BD 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.