#185777
Closest named color: Deep Sea Blue (#015482). oklch(43.3% 0.081 235.7), rgb(24, 87, 119).
Aa
White text reads best on this color (7.86:1).
About this color
#185777 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.081 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.024 away. White text reads best on it, at 7.86:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #185777 |
| RGB | rgb(24, 87, 119) |
| HSL | hsl(200, 66%, 28%) |
| OKLCH | oklch(43.3% 0.081 235.7) |
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 #185777 | 7.86:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #185777 | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #185777 text on white | 7.86:1 | AAA | Lc 87.0 | Fine for body text |
| #185777 text on black | 2.66:1 | Fails | Lc -15.1 | 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 800.
-
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
#71A8CA
oklch(70.6% 0.076 236.5)
-
Step 500
500
#4892BC
oklch(63% 0.097 236)
-
Step 600
600
#247CA8
oklch(55.6% 0.105 235.5)
-
Step 700
700
#146890
oklch(49% 0.098 235.7)
-
Step 800
800 (this color)
#185777
oklch(43.3% 0.081 235.7)
-
Step 900
900
#1A475E
oklch(37.8% 0.063 234.2)
-
Step 950
950
#112937
oklch(26.9% 0.04 236.4)
#185777 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) | #485778 | 0.049 |
| Deuteranopia (no green cones) | #3B4E76 | 0.039 |
| Tritanopia (no blue cones) | #005F62 | 0.051 |
| Achromatopsia (no color) | #525252 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185777
#185777
oklch(43.3% 0.081 235.7)
- #724420
#724420
oklch(43.4% 0.081 56.4)
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 #185777, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.024
- Light Navy #155084 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.035
- Petrol #005F6A ΔE 0.039
- YInMn Blue #415A77 ΔE 0.041
- Dusk Blue #26538D ΔE 0.043
- Deep Teal #00555A ΔE 0.051
- Denim Blue #3B5B92 ΔE 0.058
Use #185777 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.