#192540
Closest named color: Oxford Blue (#1B263B). oklch(26.8% 0.053 264.9), rgb(25, 37, 64).
Aa
White text reads best on this color (15.21:1).
About this color
#192540 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.053 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.011 away. White text reads best on it, at 15.21:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.21:1 |
Values
| HEX | #192540 |
| RGB | rgb(25, 37, 64) |
| HSL | hsl(222, 44%, 17%) |
| OKLCH | oklch(26.8% 0.053 264.9) |
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 #192540 | 15.21:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #192540 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #192540 text on white | 15.21:1 | AAA | Lc 102.0 | Preferred for body text |
| #192540 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CED9F1
oklch(88.4% 0.035 266)
-
Step 300
300
#ADC1EA
oklch(81% 0.062 264.6)
-
Step 400
400
#829FE0
oklch(70.6% 0.101 265.5)
-
Step 500
500
#6386D7
oklch(63% 0.129 265.2)
-
Step 600
600
#4A6FC5
oklch(55.7% 0.14 264.7)
-
Step 700
700
#3B5CAA
oklch(49.1% 0.131 264.8)
-
Step 800
800
#314C8A
oklch(42.8% 0.108 264.6)
-
Step 900
900
#2B3F6E
oklch(37.6% 0.085 265.2)
-
Step 950
950 (this color)
#192540
oklch(26.8% 0.053 264.9)
#192540 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) | #1A2741 | 0.007 |
| Deuteranopia (no green cones) | #16243F | 0.006 |
| Tritanopia (no blue cones) | #052B2F | 0.048 |
| Achromatopsia (no color) | #262626 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192540
#192540
oklch(26.8% 0.053 264.9)
- #322301
#322301
oklch(26.7% 0.054 83.9)
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 #192540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.011
- Dark #1B2431 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.041
- Jet #212529 ΔE 0.045
- Gunmetal #293241 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.055
- Marine #042E60 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.062
Use #192540 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.