#19284C
Closest named color: Oxford Blue (#1B263B). oklch(28.4% 0.069 265.2), rgb(25, 40, 76).
Aa
White text reads best on this color (14.49:1).
About this color
#19284C is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.069 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.031 away. White text reads best on it, at 14.49:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.44:1 |
| White text | 14.49:1 |
Values
| HEX | #19284C |
| RGB | rgb(25, 40, 76) |
| HSL | hsl(222, 50%, 20%) |
| OKLCH | oklch(28.4% 0.069 265.2) |
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 #19284C | 14.49:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #19284C | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #19284C text on white | 14.49:1 | AAA | Lc 101.1 | Preferred for body text |
| #19284C text on black | 1.44:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CBD9F8
oklch(88.5% 0.045 266.2)
-
Step 300
300
#A7C0F7
oklch(80.9% 0.083 265.6)
-
Step 400
400
#799EF2
oklch(70.8% 0.13 265.2)
-
Step 500
500
#5783EE
oklch(63.1% 0.168 265.1)
-
Step 600
600
#3E69DC
oklch(55.5% 0.182 265.4)
-
Step 700
700
#3157BF
oklch(49.1% 0.169 265.4)
-
Step 800
800
#29489B
oklch(42.8% 0.141 265.4)
-
Step 900
900
#253D7B
oklch(37.7% 0.11 265.5)
-
Step 950
950 (this color)
#19284C
oklch(28.4% 0.069 265.2)
#19284C 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) | #182C4D | 0.013 |
| Deuteranopia (no green cones) | #10274B | 0.012 |
| Tritanopia (no blue cones) | #003036 | 0.059 |
| Achromatopsia (no color) | #292929 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19284C
#19284C
oklch(28.4% 0.069 265.2)
- #372700
#372700
oklch(28.4% 0.058 84.9)
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 #19284C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.040
- Marine #042E60 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.044
- Dark #1B2431 ΔE 0.050
- Gunmetal #293241 ΔE 0.050
- Midnight Green #073B4C ΔE 0.063
- Jet #212529 ΔE 0.064
Use #19284C 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.