#19798F
Closest named color: Ocean (#017B92). oklch(53.4% 0.089 217.8), rgb(25, 121, 143).
Aa
White text reads best on this color (5.03:1).
About this color
#19798F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.089 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.008 away. White text reads best on it, at 5.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.17:1 |
| White text | 5.03:1 |
Values
| HEX | #19798F |
| RGB | rgb(25, 121, 143) |
| HSL | hsl(191, 70%, 33%) |
| OKLCH | oklch(53.4% 0.089 217.8) |
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 #19798F | 5.03:1 | AA | Lc -79.8 | Fine for body text |
| Black text on #19798F | 4.17:1 | AA large text | Lc 29.7 | Dividers and decoration only |
| #19798F text on white | 5.03:1 | AA | Lc 74.4 | Content text, not long reading |
| #19798F text on black | 4.17:1 | AA large text | Lc -27.3 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CADDE3
oklch(88.5% 0.022 218.6)
-
Step 300
300
#A5C7D2
oklch(80.8% 0.04 219.4)
-
Step 400
400
#72ABBB
oklch(70.8% 0.064 217.3)
-
Step 500
500
#4896AA
oklch(63.2% 0.082 216.9)
-
Step 600
600 (this color)
#19798F
oklch(53.4% 0.089 217.8)
-
Step 700
700
#136C80
oklch(49.2% 0.083 217.7)
-
Step 800
800
#155868
oklch(42.8% 0.069 217.8)
-
Step 900
900
#1A4854
oklch(37.6% 0.053 217.9)
-
Step 950
950
#112A31
oklch(26.8% 0.033 218.4)
#19798F 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) | #6B7590 | 0.077 |
| Deuteranopia (no green cones) | #5B6A8F | 0.068 |
| Tritanopia (no blue cones) | #008180 | 0.040 |
| Achromatopsia (no color) | #6F6F6F | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19798F
#19798F
oklch(53.4% 0.089 217.8)
- #995A46
#995A46
oklch(53.5% 0.089 38.4)
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 #19798F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.008
- Sea Blue #047495 ΔE 0.022
- Deep Aqua #08787F ΔE 0.027
- Ocean Blue #03719C ΔE 0.037
- Teal #008080 ΔE 0.038
- Bluegreen #017A79 ΔE 0.038
- Cerulean #457B9D ΔE 0.041
- Metallic Blue #4F738E ΔE 0.043
Use #19798F 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.