#182850
Closest named color: Marine (#042E60). oklch(28.7% 0.076 265.5), rgb(24, 40, 80).
Aa
White text reads best on this color (14.40:1).
About this color
#182850 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.076 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.034 away. White text reads best on it, at 14.40:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.45:1 |
| White text | 14.40:1 |
Values
| HEX | #182850 |
| RGB | rgb(24, 40, 80) |
| HSL | hsl(223, 54%, 20%) |
| OKLCH | oklch(28.7% 0.076 265.5) |
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 #182850 | 14.40:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #182850 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #182850 text on white | 14.40:1 | AAA | Lc 101.0 | Preferred for body text |
| #182850 text on black | 1.45:1 | 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
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A5C0FC
oklch(80.9% 0.09 265.7)
-
Step 400
400
#759DFA
oklch(70.7% 0.144 265.3)
-
Step 500
500
#5381F8
oklch(63.2% 0.185 265.5)
-
Step 600
600
#3967E7
oklch(55.7% 0.201 265.3)
-
Step 700
700
#2C54C8
oklch(49% 0.186 265.4)
-
Step 800
800
#2546A2
oklch(42.8% 0.154 265.3)
-
Step 900
900
#223C81
oklch(37.8% 0.121 265.4)
-
Step 950
950 (this color)
#182850
oklch(28.7% 0.076 265.5)
#182850 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) | #152C52 | 0.012 |
| Deuteranopia (no green cones) | #0B274F | 0.015 |
| Tritanopia (no blue cones) | #003138 | 0.063 |
| Achromatopsia (no color) | #2A2A2A | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182850
#182850
oklch(28.7% 0.076 265.5)
- #382800
#382800
oklch(28.8% 0.059 85.3)
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 #182850, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.034
- Oxford Blue #1B263B ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.043
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Marine Blue #01386A ΔE 0.062
- Midnight Green #073B4C ΔE 0.064
Use #182850 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.