#13A9BF
Closest named color: Turquoise Blue (#06B1C4). oklch(67.5% 0.115 211.4), rgb(19, 169, 191).
Aa
Black text reads best on this color (7.45:1).
About this color
#13A9BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.115 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.022 away. Black text reads best on it, at 7.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #13A9BF |
| RGB | rgb(19, 169, 191) |
| HSL | hsl(188, 82%, 41%) |
| OKLCH | oklch(67.5% 0.115 211.4) |
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 #13A9BF | 2.81:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #13A9BF | 7.45:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #13A9BF text on white | 2.81:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #13A9BF text on black | 7.45:1 | AAA | Lc -48.3 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DBEEF2
oklch(93.6% 0.021 211.8)
-
Step 200
200
#BCE1E8
oklch(88.5% 0.04 210.4)
-
Step 300
300
#89CEDB
oklch(81% 0.072 210.7)
-
Step 400
400 (this color)
#13A9BF
oklch(67.5% 0.115 211.4)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#13A9BF 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) | #98A3C0 | 0.107 |
| Deuteranopia (no green cones) | #8293BF | 0.096 |
| Tritanopia (no blue cones) | #00B2B0 | 0.040 |
| Achromatopsia (no color) | #9A9A9A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13A9BF
#13A9BF
oklch(67.5% 0.115 211.4)
- #D47B6A
#D47B6A
oklch(67.6% 0.115 31.7)
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 #13A9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.022
- Light Sea Green #20B2AA ΔE 0.047
- Cadet Blue #5F9EA0 ΔE 0.056
- Topaz #13BBAF ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
- Sea #3C9992 ΔE 0.069
- Persian Green #2A9D8F ΔE 0.070
- Dull Teal #5F9E8F ΔE 0.073
Use #13A9BF 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.