#197478
Closest named color: Deep Turquoise (#017374). oklch(51.1% 0.08 199.5), rgb(25, 116, 120).
Aa
White text reads best on this color (5.51:1).
About this color
#197478 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.080 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.011 away. White text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.81:1 |
| White text | 5.51:1 |
Values
| HEX | #197478 |
| RGB | rgb(25, 116, 120) |
| HSL | hsl(183, 66%, 28%) |
| OKLCH | oklch(51.1% 0.08 199.5) |
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 #197478 | 5.51:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #197478 | 3.81:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #197478 text on white | 5.51:1 | AA | Lc 77.2 | Fine for body text |
| #197478 text on black | 3.81:1 | AA large text | Lc -24.6 | 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 700.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A4C9CA
oklch(80.9% 0.039 198.4)
-
Step 400
400
#71ADAF
oklch(70.7% 0.062 198.5)
-
Step 500
500
#47989C
oklch(63.1% 0.079 199.7)
-
Step 600
600
#208287
oklch(55.5% 0.086 200.2)
-
Step 700
700 (this color)
#197478
oklch(51.1% 0.08 199.5)
-
Step 800
800
#135A5D
oklch(42.8% 0.066 199.3)
-
Step 900
900
#194A4C
oklch(37.7% 0.052 199)
-
Step 950
950
#102B2D
oklch(26.9% 0.033 201.9)
#197478 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) | #6B6E78 | 0.082 |
| Deuteranopia (no green cones) | #5E6578 | 0.075 |
| Tritanopia (no blue cones) | #007975 | 0.018 |
| Achromatopsia (no color) | #696969 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #197478
#197478
oklch(51.1% 0.08 199.5)
- #8F5354
#8F5354
oklch(51.2% 0.08 19.2)
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 #197478, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.011
- Deep Aqua #08787F ΔE 0.014
- Dark Aquamarine #017371 ΔE 0.014
- Bluegreen #017A79 ΔE 0.018
- Teal #008080 ΔE 0.035
- Dark Aqua #05696B ΔE 0.038
- Ocean #017B92 ΔE 0.041
- Sea Blue #047495 ΔE 0.047
Use #197478 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.