#182341
Closest named color: Oxford Blue (#1B263B). oklch(26.3% 0.058 267.2), rgb(24, 35, 65).
Aa
White text reads best on this color (15.49:1).
About this color
#182341 is a dark, muted blue. In OKLCH its lightness is 26%, its chroma 0.058 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.018 away. White text reads best on it, at 15.49:1.
| Hue family | Blues |
| Lightness | dark (26%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.35:1 |
| White text | 15.49:1 |
Values
| HEX | #182341 |
| RGB | rgb(24, 35, 65) |
| HSL | hsl(224, 46%, 17%) |
| OKLCH | oklch(26.3% 0.058 267.2) |
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 #182341 | 15.49:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #182341 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #182341 text on white | 15.49:1 | AAA | Lc 102.3 | Preferred for body text |
| #182341 text on black | 1.35:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CED9F3
oklch(88.5% 0.038 267.3)
-
Step 300
300
#ADC0EE
oklch(80.9% 0.069 267.3)
-
Step 400
400
#829EE6
oklch(70.7% 0.111 267.3)
-
Step 500
500
#6384DF
oklch(63.1% 0.142 267.3)
-
Step 600
600
#4B6CCC
oklch(55.6% 0.153 267.1)
-
Step 700
700
#3C5AB1
oklch(49.2% 0.143 266.8)
-
Step 800
800
#324A8F
oklch(42.8% 0.118 267)
-
Step 900
900
#2C3E72
oklch(37.7% 0.092 267.5)
-
Step 950
950 (this color)
#182341
oklch(26.3% 0.058 267.2)
#182341 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) | #162642 | 0.010 |
| Deuteranopia (no green cones) | #112240 | 0.011 |
| Tritanopia (no blue cones) | #022A2E | 0.054 |
| Achromatopsia (no color) | #242424 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182341
#182341
oklch(26.3% 0.058 267.2)
- #302300
#302300
oklch(26.4% 0.054 87.8)
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 #182341, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.018
- Dark #1B2431 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.048
- Jet #212529 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.052
- Gunmetal #293241 ΔE 0.060
- Marine #042E60 ΔE 0.062
- Prussian Blue #1D3557 ΔE 0.066
Use #182341 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.