#19CBC3
Closest named color: Dark Turquoise (#00CED1). oklch(76.1% 0.128 189.7), rgb(25, 203, 195).
Aa
Black text reads best on this color (10.37:1).
About this color
#19CBC3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.128 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.019 away. Black text reads best on it, at 10.37:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.37:1 |
| White text | 2.02:1 |
Values
| HEX | #19CBC3 |
| RGB | rgb(25, 203, 195) |
| HSL | hsl(177, 78%, 45%) |
| OKLCH | oklch(76.1% 0.128 189.7) |
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 #19CBC3 | 2.02:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #19CBC3 | 10.37:1 | AAA | Lc 65.2 | Content text, not long reading |
| #19CBC3 text on white | 2.02:1 | Fails | Lc 38.8 | Non-text elements, placeholder text |
| #19CBC3 text on black | 10.37:1 | AAA | Lc -63.6 | 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 300.
-
Step 50
50
#E9F9F8
oklch(97% 0.017 192.4)
-
Step 100
100
#CFF2EF
oklch(93.5% 0.037 190.2)
-
Step 200
200
#A2E9E3
oklch(88.6% 0.071 189.3)
-
Step 300
300 (this color)
#19CBC3
oklch(76.1% 0.128 189.7)
-
Step 400
400
#00B8B1
oklch(70.6% 0.122 190)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#19CBC3 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) | #BFC0C3 | 0.136 |
| Deuteranopia (no green cones) | #A8AFC4 | 0.128 |
| Tritanopia (no blue cones) | #00D1C8 | 0.016 |
| Achromatopsia (no color) | #B6B6B6 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19CBC3
#19CBC3
oklch(76.1% 0.128 189.7)
- #F78D9F
#F78D9F
oklch(76.1% 0.129 9.7)
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 #19CBC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.019
- Medium Turquoise #48D1CC ΔE 0.029
- Topaz #13BBAF ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.049
- Aqua Blue #02D8E9 ΔE 0.057
- Seafoam Blue #78D1B6 ΔE 0.059
- Turquoise #40E0D0 ΔE 0.062
- Pale Teal #82CBB2 ΔE 0.063
Use #19CBC3 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.