#189AA5
Closest named color: Teal Green (#0A9396). oklch(62.8% 0.103 204.2), rgb(24, 154, 165).
Aa
Black text reads best on this color (6.20:1).
About this color
#189AA5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.103 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.028 away. Black text reads best on it, at 6.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.20:1 |
| White text | 3.38:1 |
Values
| HEX | #189AA5 |
| RGB | rgb(24, 154, 165) |
| HSL | hsl(185, 75%, 37%) |
| OKLCH | oklch(62.8% 0.103 204.2) |
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 #189AA5 | 3.38:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #189AA5 | 6.20:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #189AA5 text on white | 3.38:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #189AA5 text on black | 6.20:1 | AA | Lc -40.9 | Non-text elements, placeholder text |
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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C5DFE2
oklch(88.5% 0.028 205.1)
-
Step 300
300
#9BCBD0
oklch(81% 0.051 204.2)
-
Step 400
400
#5EAFB8
oklch(70.6% 0.08 204.9)
-
Step 500
500 (this color)
#189AA5
oklch(62.8% 0.103 204.2)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#052C30
oklch(26.9% 0.042 205.1)
#189AA5 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) | #8D93A6 | 0.102 |
| Deuteranopia (no green cones) | #7A86A5 | 0.093 |
| Tritanopia (no blue cones) | #00A19D | 0.028 |
| Achromatopsia (no color) | #8C8C8C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #189AA5
#189AA5
oklch(62.8% 0.103 204.2)
- #BF6E6A
#BF6E6A
oklch(62.7% 0.104 23.4)
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 #189AA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.028
- Sea #3C9992 ΔE 0.030
- Blue Green #0F9B8E ΔE 0.037
- Persian Green #2A9D8F ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.049
- Dusty Teal #4C9085 ΔE 0.050
- Dark Cyan #008B8B ΔE 0.054
- Teal Blue #01889F ΔE 0.054
Use #189AA5 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.