#186F95
Closest named color: Ocean Blue (#03719C). oklch(51.1% 0.098 233.1), rgb(24, 111, 149).
Aa
White text reads best on this color (5.60:1).
About this color
#186F95 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.098 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.012 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #186F95 |
| RGB | rgb(24, 111, 149) |
| HSL | hsl(198, 72%, 34%) |
| OKLCH | oklch(51.1% 0.098 233.1) |
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 #186F95 | 5.60:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #186F95 | 3.74:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #186F95 text on white | 5.60:1 | AA | Lc 77.6 | Fine for body text |
| #186F95 text on black | 3.74:1 | AA large text | Lc -24.1 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300
#A3C6DB
oklch(80.8% 0.048 234.5)
-
Step 400
400
#6FA9C8
oklch(70.6% 0.076 232.7)
-
Step 500
500
#4593BA
oklch(63% 0.096 232.9)
-
Step 600
600
#1F7DA7
oklch(55.7% 0.105 233.3)
-
Step 700
700 (this color)
#186F95
oklch(51.1% 0.098 233.1)
-
Step 800
800
#125674
oklch(42.8% 0.081 233)
-
Step 900
900
#18475E
oklch(37.7% 0.064 233.4)
-
Step 950
950
#102A37
oklch(27.1% 0.04 232.6)
#186F95 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) | #5C6E97 | 0.062 |
| Deuteranopia (no green cones) | #4C6394 | 0.051 |
| Tritanopia (no blue cones) | #00797C | 0.058 |
| Achromatopsia (no color) | #686868 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #186F95
#186F95
oklch(51.1% 0.098 233.1)
- #91552C
#91552C
oklch(51.1% 0.097 53)
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 #186F95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.012
- Sea Blue #047495 ΔE 0.015
- Peacock Blue #016795 ΔE 0.027
- Muted Blue #3B719F ΔE 0.031
- Ocean #017B92 ΔE 0.038
- Denim #3B638C ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.042
- Dull Blue #49759C ΔE 0.046
Use #186F95 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.