#182736
Closest named color: Oxford Blue (#1B263B). oklch(26.7% 0.035 249.2), rgb(24, 39, 54).
Aa
White text reads best on this color (15.19:1).
About this color
#182736 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.035 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.012 away. White text reads best on it, at 15.19:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.19:1 |
Values
| HEX | #182736 |
| RGB | rgb(24, 39, 54) |
| HSL | hsl(210, 38%, 15%) |
| OKLCH | oklch(26.7% 0.035 249.2) |
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 #182736 | 15.19:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #182736 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #182736 text on white | 15.19:1 | AAA | Lc 102.0 | Preferred for body text |
| #182736 text on black | 1.38:1 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE8
oklch(88.6% 0.023 248.1)
-
Step 300
300
#ADC3DB
oklch(80.8% 0.042 250.6)
-
Step 400
400
#81A4C9
oklch(70.6% 0.067 250.2)
-
Step 500
500
#608EBB
oklch(63.2% 0.085 248.8)
-
Step 600
600
#4677A7
oklch(55.6% 0.092 249.3)
-
Step 700
700
#38648F
oklch(49.1% 0.085 249.4)
-
Step 800
800
#2E5274
oklch(42.7% 0.07 248.5)
-
Step 900
900
#2A445E
oklch(37.8% 0.055 249.5)
-
Step 950
950 (this color)
#182736
oklch(26.7% 0.035 249.2)
#182736 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) | #212737 | 0.014 |
| Deuteranopia (no green cones) | #1D2436 | 0.012 |
| Tritanopia (no blue cones) | #0B2A2C | 0.029 |
| Achromatopsia (no color) | #262626 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #182736
#182736
oklch(26.7% 0.035 249.2)
- #312312
#312312
oklch(26.8% 0.035 70.8)
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 #182736, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.012
- Dark #1B2431 ΔE 0.012
- Jet #212529 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.049
- Gunmetal #293241 ΔE 0.049
- Midnight Green #073B4C ΔE 0.069
- Prussian Blue #1D3557 ΔE 0.070
Use #182736 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.