#182445
Closest named color: Oxford Blue (#1B263B). oklch(26.9% 0.064 267), rgb(24, 36, 69).
Aa
White text reads best on this color (15.24:1).
About this color
#182445 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.064 and its hue 267°. 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 15.24:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.24:1 |
Values
| HEX | #182445 |
| RGB | rgb(24, 36, 69) |
| HSL | hsl(224, 48%, 18%) |
| OKLCH | oklch(26.9% 0.064 267) |
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 #182445 | 15.24:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #182445 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #182445 text on white | 15.24:1 | AAA | Lc 102.0 | Preferred for body text |
| #182445 text on black | 1.37:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CDD9F6
oklch(88.5% 0.042 267.7)
-
Step 300
300
#ABC0F2
oklch(80.9% 0.075 267)
-
Step 400
400
#7F9EEC
oklch(70.8% 0.12 266.9)
-
Step 500
500
#5F83E6
oklch(63.1% 0.154 266.9)
-
Step 600
600
#476AD4
oklch(55.5% 0.168 267.1)
-
Step 700
700
#3958B8
oklch(49.1% 0.156 267)
-
Step 800
800
#2F4895
oklch(42.6% 0.13 267.2)
-
Step 900
900
#293D77
oklch(37.6% 0.102 267.1)
-
Step 950
950 (this color)
#182445
oklch(26.9% 0.064 267)
#182445 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) | #162846 | 0.013 |
| Deuteranopia (no green cones) | #0F2444 | 0.011 |
| Tritanopia (no blue cones) | #002B31 | 0.055 |
| Achromatopsia (no color) | #252525 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182445
#182445
oklch(26.9% 0.064 267)
- #322400
#322400
oklch(27% 0.055 86.6)
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 #182445, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Dark #1B2431 ΔE 0.038
- Space Cadet #2B2D42 ΔE 0.046
- Marine #042E60 ΔE 0.054
- Jet #212529 ΔE 0.055
- Gunmetal #293241 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.060
Use #182445 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.