#182747
Closest named color: Oxford Blue (#1B263B). oklch(27.8% 0.063 263.8), rgb(24, 39, 71).
Aa
White text reads best on this color (14.78:1).
About this color
#182747 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.063 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.022 away. White text reads best on it, at 14.78:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.42:1 |
| White text | 14.78:1 |
Values
| HEX | #182747 |
| RGB | rgb(24, 39, 71) |
| HSL | hsl(221, 49%, 19%) |
| OKLCH | oklch(27.8% 0.063 263.8) |
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 #182747 | 14.78:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #182747 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #182747 text on white | 14.78:1 | AAA | Lc 101.5 | Preferred for body text |
| #182747 text on black | 1.42:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F2
oklch(80.9% 0.075 263.7)
-
Step 400
400
#7A9FEB
oklch(70.7% 0.119 263.8)
-
Step 500
500
#5985E5
oklch(63.1% 0.153 264)
-
Step 600
600
#3F6DD3
oklch(55.7% 0.165 263.7)
-
Step 700
700
#325AB7
oklch(49.1% 0.154 264)
-
Step 800
800
#294A94
oklch(42.7% 0.128 263.8)
-
Step 900
900
#263F76
oklch(37.8% 0.099 263.9)
-
Step 950
950 (this color)
#182747
oklch(27.8% 0.063 263.8)
#182747 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) | #192A48 | 0.010 |
| Deuteranopia (no green cones) | #132646 | 0.008 |
| Tritanopia (no blue cones) | #002E33 | 0.055 |
| Achromatopsia (no color) | #282828 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182747
#182747
oklch(27.8% 0.063 263.8)
- #352500
#352500
oklch(27.6% 0.057 84)
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 #182747, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Space Cadet #2B2D42 ΔE 0.039
- Dark #1B2431 ΔE 0.040
- Marine #042E60 ΔE 0.048
- Gunmetal #293241 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
- Jet #212529 ΔE 0.056
- Midnight Green #073B4C ΔE 0.065
Use #182747 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.