#186C94
Closest named color: Ocean Blue (#03719C). oklch(50.3% 0.098 235.2), rgb(24, 108, 148).
Aa
White text reads best on this color (5.81:1).
About this color
#186C94 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.098 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.017 away. White text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #186C94 |
| RGB | rgb(24, 108, 148) |
| HSL | hsl(199, 72%, 34%) |
| OKLCH | oklch(50.3% 0.098 235.2) |
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 #186C94 | 5.81:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #186C94 | 3.61:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #186C94 text on white | 5.81:1 | AA | Lc 78.7 | Fine for body text |
| #186C94 text on black | 3.61:1 | AA large text | Lc -23.1 | 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
#E2ECF2
oklch(93.7% 0.013 233.7)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DB
oklch(80.9% 0.047 235.3)
-
Step 400
400
#71A9CA
oklch(70.8% 0.076 235.2)
-
Step 500
500
#4793BC
oklch(63.2% 0.097 234.8)
-
Step 600
600
#227CA8
oklch(55.5% 0.106 235.2)
-
Step 700
700 (this color)
#186C94
oklch(50.3% 0.098 235.2)
-
Step 800
800
#145575
oklch(42.6% 0.082 235.5)
-
Step 900
900
#1A475E
oklch(37.8% 0.063 234.2)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#186C94 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) | #586B96 | 0.058 |
| Deuteranopia (no green cones) | #486093 | 0.049 |
| Tritanopia (no blue cones) | #00767A | 0.060 |
| Achromatopsia (no color) | #656565 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186C94
#186C94
oklch(50.3% 0.098 235.2)
- #8E5326
#8E5326
oklch(50.2% 0.098 55.3)
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 #186C94, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.017
- Peacock Blue #016795 ΔE 0.018
- Sea Blue #047495 ΔE 0.024
- Denim #3B638C ΔE 0.033
- Muted Blue #3B719F ΔE 0.035
- Ocean #017B92 ΔE 0.046
- Flat Blue #3C73A8 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.050
Use #186C94 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.