#185891
Closest named color: Dusk Blue (#26538D). oklch(45.1% 0.112 250), rgb(24, 88, 145).
Aa
White text reads best on this color (7.38:1).
About this color
#185891 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.112 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.016 away. White text reads best on it, at 7.38:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #185891 |
| RGB | rgb(24, 88, 145) |
| HSL | hsl(208, 72%, 33%) |
| OKLCH | oklch(45.1% 0.112 250) |
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 #185891 | 7.38:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #185891 | 2.84:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #185891 text on white | 7.38:1 | AAA | Lc 85.3 | Fine for body text |
| #185891 text on black | 2.84:1 | Fails | Lc -16.8 | 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 800.
-
Step 50
50
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DCF1
oklch(88.6% 0.036 249.5)
-
Step 300
300
#A1C5EA
oklch(81% 0.065 249.3)
-
Step 400
400
#6CA5E0
oklch(70.6% 0.106 250.3)
-
Step 500
500
#418ED7
oklch(63.2% 0.134 249.7)
-
Step 600
600
#1A76C4
oklch(55.6% 0.146 250)
-
Step 700
700
#0763AA
oklch(49.2% 0.136 250)
-
Step 800
800 (this color)
#185891
oklch(45.1% 0.112 250)
-
Step 900
900
#16446E
oklch(37.8% 0.087 249.7)
-
Step 950
950
#0F2840
oklch(27% 0.055 249.7)
#185891 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) | #3D5C93 | 0.036 |
| Deuteranopia (no green cones) | #2A5190 | 0.022 |
| Tritanopia (no blue cones) | #00666D | 0.083 |
| Achromatopsia (no color) | #565656 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185891
#185891
oklch(45.1% 0.112 250)
- #784A00
#784A00
oklch(45.2% 0.098 69.5)
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 #185891, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.016
- Light Navy Blue #2E5A88 ΔE 0.024
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy #155084 ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.033
- Peacock Blue #016795 ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Denim #3B638C ΔE 0.049
Use #185891 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.