#182853
Closest named color: Marine (#042E60). oklch(28.9% 0.081 266.1), rgb(24, 40, 83).
Aa
White text reads best on this color (14.31:1).
About this color
#182853 is a dark, moderately saturated blue. In OKLCH its lightness is 29%, its chroma 0.081 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.030 away. White text reads best on it, at 14.31:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.46:1 |
| White text | 14.31:1 |
Values
| HEX | #182853 |
| RGB | rgb(24, 40, 83) |
| HSL | hsl(224, 55%, 21%) |
| OKLCH | oklch(28.9% 0.081 266.1) |
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 #182853 | 14.31:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #182853 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #182853 text on white | 14.31:1 | AAA | Lc 100.9 | Preferred for body text |
| #182853 text on black | 1.46:1 | 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
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A4C0FF
oklch(81% 0.095 265.8)
-
Step 400
400
#749CFF
oklch(70.8% 0.152 266)
-
Step 500
500
#517FFE
oklch(63.1% 0.196 266)
-
Step 600
600
#3864EE
oklch(55.7% 0.213 266)
-
Step 700
700
#2C51CF
oklch(49% 0.199 266.3)
-
Step 800
800
#2444A7
oklch(42.7% 0.164 265.9)
-
Step 900
900
#213B84
oklch(37.8% 0.127 265.8)
-
Step 950
950 (this color)
#182853
oklch(28.9% 0.081 266.1)
#182853 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) | #122D55 | 0.016 |
| Deuteranopia (no green cones) | #062852 | 0.018 |
| Tritanopia (no blue cones) | #003239 | 0.068 |
| Achromatopsia (no color) | #2A2A2A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182853
#182853
oklch(28.9% 0.081 266.1)
- #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 #182853, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.030
- Prussian Blue #1D3557 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.048
- Gunmetal #293241 ΔE 0.058
- Marine Blue #01386A ΔE 0.058
- Dark #1B2431 ΔE 0.062
- Midnight Blue #191970 ΔE 0.064
Use #182853 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.