#199FC5
Closest named color: Turquoise Blue (#06B1C4). oklch(65.4% 0.118 223.7), rgb(25, 159, 197).
Aa
Black text reads best on this color (6.80:1).
About this color
#199FC5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.118 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 6.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #199FC5 |
| RGB | rgb(25, 159, 197) |
| HSL | hsl(193, 77%, 44%) |
| OKLCH | oklch(65.4% 0.118 223.7) |
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 #199FC5 | 3.08:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #199FC5 | 6.80:1 | AA | Lc 46.8 | Large or bold text, headings |
| #199FC5 text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #199FC5 text on black | 6.80:1 | 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
#98C9DC
oklch(80.8% 0.058 223.8)
-
Step 400
400
#59ADCB
oklch(70.7% 0.092 223.8)
-
Step 500
500 (this color)
#199FC5
oklch(65.4% 0.118 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#022B38
oklch(26.9% 0.049 224.5)
#199FC5 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) | #899BC7 | 0.091 |
| Deuteranopia (no green cones) | #748CC5 | 0.081 |
| Tritanopia (no blue cones) | #00AAAB | 0.058 |
| Achromatopsia (no color) | #939393 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #199FC5
#199FC5
oklch(65.4% 0.118 223.7)
- #CB7752
#CB7752
oklch(65.3% 0.117 44)
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 #199FC5, 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 0.062
- Cadet Blue #5F9EA0 ΔE 0.065
- Faded Blue #658CBB ΔE 0.066
- Greyblue #77A1B5 ΔE 0.071
- Teal Green #0A9396 ΔE 0.073
- Water Blue #0E87CC ΔE 0.073
- Sea #3C9992 ΔE 0.074
Use #199FC5 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.