#19ABC3
Closest named color: Turquoise Blue (#06B1C4). oklch(68.2% 0.115 212.8), rgb(25, 171, 195).
Aa
Black text reads best on this color (7.65:1).
About this color
#19ABC3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.115 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.017 away. Black text reads best on it, at 7.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.65:1 |
| White text | 2.74:1 |
Values
| HEX | #19ABC3 |
| RGB | rgb(25, 171, 195) |
| HSL | hsl(188, 77%, 43%) |
| OKLCH | oklch(68.2% 0.115 212.8) |
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 #19ABC3 | 2.74:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #19ABC3 | 7.65:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #19ABC3 text on white | 2.74:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #19ABC3 text on black | 7.65:1 | AAA | Lc -49.3 | 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
#BCE1E9
oklch(88.6% 0.04 212.2)
-
Step 300
300
#89CDDC
oklch(80.8% 0.072 213.1)
-
Step 400
400 (this color)
#19ABC3
oklch(68.2% 0.115 212.8)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#19ABC3 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) | #99A5C4 | 0.105 |
| Deuteranopia (no green cones) | #8495C3 | 0.096 |
| Tritanopia (no blue cones) | #00B4B2 | 0.042 |
| Achromatopsia (no color) | #9C9C9C | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19ABC3
#19ABC3
oklch(68.2% 0.115 212.8)
- #D67D6A
#D67D6A
oklch(68.2% 0.115 33)
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 #19ABC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.017
- Light Sea Green #20B2AA ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.060
- Topaz #13BBAF ΔE 0.063
- Greyblue #77A1B5 ΔE 0.065
- Sea #3C9992 ΔE 0.076
- Persian Green #2A9D8F ΔE 0.077
- Dull Teal #5F9E8F ΔE 0.078
Use #19ABC3 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.