#19636E
Closest named color: Petrol (#005F6A). oklch(46.1% 0.071 209.6), rgb(25, 99, 110).
Aa
White text reads best on this color (6.88:1).
About this color
#19636E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.071 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.018 away. White text reads best on it, at 6.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #19636E |
| RGB | rgb(25, 99, 110) |
| HSL | hsl(188, 63%, 26%) |
| OKLCH | oklch(46.1% 0.071 209.6) |
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 #19636E | 6.88:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #19636E | 3.05:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #19636E text on white | 6.88:1 | AA | Lc 83.5 | Fine for body text |
| #19636E text on black | 3.05:1 | AA large text | Lc -18.5 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CBDDE0
oklch(88.5% 0.02 208.8)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB3
oklch(70.6% 0.054 209.9)
-
Step 500
500
#5295A1
oklch(63% 0.07 210.4)
-
Step 600
600
#33808C
oklch(55.7% 0.077 209.3)
-
Step 700
700 (this color)
#19636E
oklch(46.1% 0.071 209.6)
-
Step 800
800
#205861
oklch(42.8% 0.059 209.8)
-
Step 900
900
#21484F
oklch(37.6% 0.046 210.7)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#19636E 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) | #595F6F | 0.067 |
| Deuteranopia (no green cones) | #4E566E | 0.063 |
| Tritanopia (no blue cones) | #006866 | 0.025 |
| Achromatopsia (no color) | #5A5A5A | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19636E
#19636E
oklch(46.1% 0.071 209.6)
- #7B4941
#7B4941
oklch(46.2% 0.07 29.8)
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 #19636E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.018
- Dark Aqua #05696B ΔE 0.022
- Dark Green Blue #1F6357 ΔE 0.038
- Deep Turquoise #017374 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.049
- Deep Teal #00555A ΔE 0.053
- Slate #516572 ΔE 0.057
Use #19636E 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.