#1FB9C6
Closest named color: Turquoise Blue (#06B1C4). oklch(71.9% 0.118 204.1), rgb(31, 185, 198).
Aa
Black text reads best on this color (8.81:1).
About this color
#1FB9C6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.118 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.024 away. Black text reads best on it, at 8.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.81:1 |
| White text | 2.38:1 |
Values
| HEX | #1FB9C6 |
| RGB | rgb(31, 185, 198) |
| HSL | hsl(185, 73%, 45%) |
| OKLCH | oklch(71.9% 0.118 204.1) |
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 #1FB9C6 | 2.38:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #1FB9C6 | 8.81:1 | AAA | Lc 57.5 | Large or bold text, headings |
| #1FB9C6 text on white | 2.38:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #1FB9C6 text on black | 8.81:1 | AAA | Lc -55.6 | 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
#EEF7F8
oklch(97% 0.01 204.9)
-
Step 100
100
#DAEEF0
oklch(93.5% 0.021 204)
-
Step 200
200
#BBE2E6
oklch(88.6% 0.041 204.1)
-
Step 300
300
#86CFD7
oklch(80.9% 0.074 204.6)
-
Step 400
400 (this color)
#1FB9C6
oklch(71.9% 0.118 204.1)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#1FB9C6 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) | #A9B1C7 | 0.116 |
| Deuteranopia (no green cones) | #93A1C6 | 0.107 |
| Tritanopia (no blue cones) | #00C1BD | 0.030 |
| Achromatopsia (no color) | #A8A8A8 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1FB9C6
#1FB9C6
oklch(71.9% 0.118 204.1)
- #E58580
#E58580
oklch(71.8% 0.119 23.6)
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 #1FB9C6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.024
- Topaz #13BBAF ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.041
- Dark Turquoise #00CED1 ΔE 0.057
- Greeny Blue #42B395 ΔE 0.068
- Medium Turquoise #48D1CC ΔE 0.073
- Vivid Sky Blue #4CC9F0 ΔE 0.074
- Greyblue #77A1B5 ΔE 0.079
Use #1FB9C6 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.