#19224D
Closest named color: Oxford Blue (#1B263B). oklch(27.1% 0.08 271.2), rgb(25, 34, 77).
Aa
White text reads best on this color (15.24:1).
About this color
#19224D is a dark, moderately saturated blue. In OKLCH its lightness is 27%, its chroma 0.080 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.038 away. White text reads best on it, at 15.24:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.24:1 |
Values
| HEX | #19224D |
| RGB | rgb(25, 34, 77) |
| HSL | hsl(230, 51%, 20%) |
| OKLCH | oklch(27.1% 0.08 271.2) |
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 #19224D | 15.24:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #19224D | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #19224D text on white | 15.24:1 | AAA | Lc 102.0 | Preferred for body text |
| #19224D 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CCD8FD
oklch(88.5% 0.053 271.1)
-
Step 300
300
#AABEFE
oklch(81% 0.094 270.8)
-
Step 400
400
#7F99FE
oklch(70.8% 0.151 271.2)
-
Step 500
500
#617BFC
oklch(63% 0.193 271.3)
-
Step 600
600
#4B60EC
oklch(55.6% 0.211 271.3)
-
Step 700
700
#3D4ECD
oklch(49.1% 0.195 271.3)
-
Step 800
800
#3241A6
oklch(42.7% 0.162 271.3)
-
Step 900
900
#2B3983
oklch(37.8% 0.125 271.1)
-
Step 950
950 (this color)
#19224D
oklch(27.1% 0.08 271.2)
#19224D 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) | #0A284F | 0.022 |
| Deuteranopia (no green cones) | #01234C | 0.025 |
| Tritanopia (no blue cones) | #002C33 | 0.070 |
| Achromatopsia (no color) | #252525 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19224D
#19224D
oklch(27.1% 0.08 271.2)
- #312500
#312500
oklch(27.1% 0.055 90.3)
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 #19224D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.038
- Marine #042E60 ΔE 0.047
- Dark #1B2431 ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.055
- Dark Indigo #1F0954 ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.061
- Navy Blue #001146 ΔE 0.066
- Midnight Blue #191970 ΔE 0.066
Use #19224D 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.