#18697A
Closest named color: Dark Aqua (#05696B). oklch(48.2% 0.078 215.6), rgb(24, 105, 122).
Aa
White text reads best on this color (6.28:1).
About this color
#18697A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 48%, its chroma 0.078 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aqua (#05696B), ΔE 0.027 away. White text reads best on it, at 6.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dark Aqua (#05696B) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #18697A |
| RGB | rgb(24, 105, 122) |
| HSL | hsl(190, 67%, 29%) |
| OKLCH | oklch(48.2% 0.078 215.6) |
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 #18697A | 6.28:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #18697A | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #18697A text on white | 6.28:1 | AA | Lc 81.0 | Fine for body text |
| #18697A text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A6C7D0
oklch(80.8% 0.038 216.1)
-
Step 400
400
#74ABB8
oklch(70.8% 0.061 214.1)
-
Step 500
500
#4D95A7
oklch(63% 0.077 216.1)
-
Step 600
600
#2B7F92
oklch(55.5% 0.083 215.9)
-
Step 700
700 (this color)
#18697A
oklch(48.2% 0.078 215.6)
-
Step 800
800
#1B5865
oklch(42.8% 0.064 214.8)
-
Step 900
900
#1D4852
oklch(37.6% 0.05 215.3)
-
Step 950
950
#122A30
oklch(26.8% 0.032 216)
#18697A 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) | #5D657B | 0.069 |
| Deuteranopia (no green cones) | #505C7A | 0.062 |
| Tritanopia (no blue cones) | #006F6E | 0.032 |
| Achromatopsia (no color) | #606060 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18697A
#18697A
oklch(48.2% 0.078 215.6)
- #844E3F
#844E3F
oklch(48.3% 0.077 36.3)
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 #18697A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aqua #05696B ΔE 0.027
- Deep Turquoise #017374 ΔE 0.036
- Dark Aquamarine #017371 ΔE 0.039
- Petrol #005F6A ΔE 0.039
- Deep Aqua #08787F ΔE 0.045
- Peacock Blue #016795 ΔE 0.047
- Sea Blue #047495 ΔE 0.047
- Denim #3B638C ΔE 0.048
Use #18697A 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.