#189FC6
Closest named color: Turquoise Blue (#06B1C4). oklch(65.4% 0.119 224.3), rgb(24, 159, 198).
Aa
Black text reads best on this color (6.81:1).
About this color
#189FC6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.119 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.053 away. Black text reads best on it, at 6.81:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #189FC6 |
| RGB | rgb(24, 159, 198) |
| HSL | hsl(193, 78%, 44%) |
| OKLCH | oklch(65.4% 0.119 224.3) |
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 #189FC6 | 3.08:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #189FC6 | 6.81:1 | AA | Lc 46.8 | Large or bold text, headings |
| #189FC6 text on white | 3.08:1 | AA large text | Lc 57.2 | Large or bold text, headings |
| #189FC6 text on black | 6.81:1 | AA | Lc -44.5 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF2
oklch(93.7% 0.016 221.1)
-
Step 200
200
#C3DEE9
oklch(88.4% 0.032 224.3)
-
Step 300
300
#98C9DD
oklch(80.8% 0.058 225)
-
Step 400
400
#59ADCC
oklch(70.7% 0.093 224.6)
-
Step 500
500 (this color)
#189FC6
oklch(65.4% 0.119 224.3)
-
Step 600
600
#0080A1
oklch(55.7% 0.105 224.1)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#022B38
oklch(26.9% 0.049 224.5)
#189FC6 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) | #899BC8 | 0.091 |
| Deuteranopia (no green cones) | #738CC6 | 0.080 |
| Tritanopia (no blue cones) | #00ABAC | 0.061 |
| Achromatopsia (no color) | #939393 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #189FC6
#189FC6
oklch(65.4% 0.119 224.3)
- #CC7751
#CC7751
oklch(65.4% 0.119 44.3)
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 #189FC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.053
- Blue NCS #118AB2 ΔE 0.063
- Faded Blue #658CBB ΔE 0.066
- Cadet Blue #5F9EA0 ΔE 0.067
- Greyblue #77A1B5 ΔE 0.072
- Water Blue #0E87CC ΔE 0.073
- Cool Blue #4984B8 ΔE 0.075
- Teal Green #0A9396 ΔE 0.075
Use #189FC6 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.