#18698D
Closest named color: Peacock Blue (#016795). oklch(49.2% 0.093 233.2), rgb(24, 105, 141).
Aa
White text reads best on this color (6.09:1).
About this color
#18698D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.093 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.017 away. White text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #18698D |
| RGB | rgb(24, 105, 141) |
| HSL | hsl(198, 71%, 32%) |
| OKLCH | oklch(49.2% 0.093 233.2) |
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 #18698D | 6.09:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #18698D | 3.44:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #18698D text on white | 6.09:1 | AA | Lc 80.1 | Fine for body text |
| #18698D text on black | 3.44:1 | AA large text | Lc -21.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A5C6D9
oklch(80.9% 0.044 233.3)
-
Step 400
400
#72A9C7
oklch(70.8% 0.073 233)
-
Step 500
500
#4A93B8
oklch(63.1% 0.092 232.8)
-
Step 600
600
#277CA4
oklch(55.5% 0.1 233.5)
-
Step 700
700 (this color)
#18698D
oklch(49.2% 0.093 233.2)
-
Step 800
800
#185672
oklch(42.8% 0.076 232.5)
-
Step 900
900
#1B475C
oklch(37.7% 0.06 232.2)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#18698D 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) | #57688F | 0.059 |
| Deuteranopia (no green cones) | #485D8C | 0.050 |
| Tritanopia (no blue cones) | #007375 | 0.057 |
| Achromatopsia (no color) | #626262 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18698D
#18698D
oklch(49.2% 0.093 233.2)
- #89512A
#89512A
oklch(49.2% 0.092 53.6)
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 #18698D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.017
- Denim #3B638C ΔE 0.029
- Ocean Blue #03719C ΔE 0.029
- Sea Blue #047495 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.044
- Muted Blue #3B719F ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
Use #18698D 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.