#13A8B1
Closest named color: Turquoise Blue (#06B1C4). oklch(66.7% 0.111 201.8), rgb(19, 168, 177).
Aa
Black text reads best on this color (7.26:1).
About this color
#13A8B1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.111 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.033 away. Black text reads best on it, at 7.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.26:1 |
| White text | 2.89:1 |
Values
| HEX | #13A8B1 |
| RGB | rgb(19, 168, 177) |
| HSL | hsl(183, 81%, 38%) |
| OKLCH | oklch(66.7% 0.111 201.8) |
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 #13A8B1 | 2.89:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #13A8B1 | 7.26:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #13A8B1 text on white | 2.89:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #13A8B1 text on black | 7.26:1 | AAA | Lc -47.2 | 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 500.
-
Step 50
50
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C3DFE1
oklch(88.4% 0.03 201.9)
-
Step 300
300
#98CCCF
oklch(81% 0.054 200.6)
-
Step 400
400
#56B1B7
oklch(70.7% 0.087 201.1)
-
Step 500
500 (this color)
#13A8B1
oklch(66.7% 0.111 201.8)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#13A8B1 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) | #9AA0B2 | 0.112 |
| Deuteranopia (no green cones) | #8692B2 | 0.102 |
| Tritanopia (no blue cones) | #00AFAA | 0.026 |
| Achromatopsia (no color) | #989898 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13A8B1
#13A8B1
oklch(66.7% 0.111 201.8)
- #D07776
#D07776
oklch(66.7% 0.112 21.2)
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 #13A8B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.033
- Light Sea Green #20B2AA ΔE 0.035
- Cadet Blue #5F9EA0 ΔE 0.047
- Persian Green #2A9D8F ΔE 0.051
- Sea #3C9992 ΔE 0.052
- Blue Green #0F9B8E ΔE 0.057
- Topaz #13BBAF ΔE 0.057
- Dull Teal #5F9E8F ΔE 0.058
Use #13A8B1 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.