#192F79
Closest named color: Marine Blue (#01386A). oklch(33.8% 0.129 266.6), rgb(25, 47, 121).
Aa
White text reads best on this color (12.18:1).
About this color
#192F79 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.129 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.040 away. White text reads best on it, at 12.18:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.72:1 |
| White text | 12.18:1 |
Values
| HEX | #192F79 |
| RGB | rgb(25, 47, 121) |
| HSL | hsl(226, 66%, 29%) |
| OKLCH | oklch(33.8% 0.129 266.6) |
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 #192F79 | 12.18:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #192F79 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #192F79 text on white | 12.18:1 | AAA | Lc 97.3 | Preferred for body text |
| #192F79 text on black | 1.72:1 | 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 900.
-
Step 50
50
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FE
oklch(88.5% 0.054 266.8)
-
Step 300
300
#A4BFFF
oklch(80.8% 0.096 266.6)
-
Step 400
400
#759BFF
oklch(70.6% 0.153 266.8)
-
Step 500
500
#537EFF
oklch(63.1% 0.197 266.8)
-
Step 600
600
#3A63EF
oklch(55.6% 0.215 266.6)
-
Step 700
700
#2D51D0
oklch(49.2% 0.2 266.5)
-
Step 800
800
#2643A8
oklch(42.7% 0.166 266.8)
-
Step 900
900 (this color)
#192F79
oklch(33.8% 0.129 266.6)
-
Step 950
950
#14234E
oklch(27.1% 0.082 266.5)
#192F79 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) | #003A7B | 0.031 |
| Deuteranopia (no green cones) | #003178 | 0.017 |
| Tritanopia (no blue cones) | #00424F | 0.102 |
| Achromatopsia (no color) | #353535 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #192F79
#192F79
oklch(33.8% 0.129 266.6)
- #473400
#473400
oklch(33.7% 0.069 86)
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 #192F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.040
- Marine #042E60 ΔE 0.048
- Midnight Blue #191970 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.064
- Royal #0C1793 ΔE 0.065
- Cobalt #1E488F ΔE 0.077
- Dark Blue #00008B ΔE 0.087
Use #192F79 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.