#19C2DB
Closest named color: Dark Turquoise (#00CED1). oklch(74.8% 0.127 211.4), rgb(25, 194, 219).
Aa
Black text reads best on this color (9.78:1).
About this color
#19C2DB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.127 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.041 away. Black text reads best on it, at 9.78:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #19C2DB |
| RGB | rgb(25, 194, 219) |
| HSL | hsl(188, 80%, 48%) |
| OKLCH | oklch(74.8% 0.127 211.4) |
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 #19C2DB | 2.14:1 | Fails | Lc -46.2 | Large or bold text, headings |
| Black text on #19C2DB | 9.78:1 | AAA | Lc 62.4 | Content text, not long reading |
| #19C2DB text on white | 2.14:1 | Fails | Lc 41.6 | Non-text elements, placeholder text |
| #19C2DB text on black | 9.78:1 | AAA | Lc -60.7 | Content text, not long reading |
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
#EEF8F9
oklch(97.2% 0.011 204.1)
-
Step 100
100
#D9EEF3
oklch(93.5% 0.023 213.6)
-
Step 200
200
#B9E2EA
oklch(88.6% 0.044 210.8)
-
Step 300
300
#81CFDE
oklch(80.9% 0.08 211.1)
-
Step 400
400 (this color)
#19C2DB
oklch(74.8% 0.127 211.4)
-
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
#004A55
oklch(37.5% 0.065 211.6)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#19C2DB 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) | #AEBBDC | 0.117 |
| Deuteranopia (no green cones) | #96A9DB | 0.107 |
| Tritanopia (no blue cones) | #00CCCA | 0.044 |
| Achromatopsia (no color) | #B1B1B1 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19C2DB
#19C2DB
oklch(74.8% 0.127 211.4)
- #F38D7B
#F38D7B
oklch(74.8% 0.128 30.9)
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 #19C2DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.041
- Vivid Sky Blue #4CC9F0 ΔE 0.042
- Bright Sky Blue #02CCFE ΔE 0.052
- Turquoise Blue #06B1C4 ΔE 0.053
- Deep Sky Blue #00BFFF ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.058
- Aqua Blue #02D8E9 ΔE 0.060
- Topaz #13BBAF ΔE 0.063
Use #19C2DB 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.