#1A346D
Closest named color: Marine Blue (#01386A). oklch(34% 0.104 263.4), rgb(26, 52, 109).
Aa
White text reads best on this color (11.95:1).
About this color
#1A346D is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.104 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.020 away. White text reads best on it, at 11.95:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.75:1 |
| White text | 11.95:1 |
Values
| HEX | #1A346D |
| RGB | rgb(26, 52, 109) |
| HSL | hsl(221, 61%, 26%) |
| OKLCH | oklch(34% 0.104 263.4) |
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 #1A346D | 11.95:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #1A346D | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #1A346D text on white | 11.95:1 | AAA | Lc 97.1 | Preferred for body text |
| #1A346D text on black | 1.75:1 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300
#A7C1F4
oklch(80.9% 0.078 263.6)
-
Step 400
400
#779FEF
oklch(70.7% 0.126 263.3)
-
Step 500
500
#5585E9
oklch(63.1% 0.159 263.3)
-
Step 600
600
#3B6CD7
oklch(55.6% 0.173 263.4)
-
Step 700
700
#2E59BB
oklch(49.1% 0.162 263.7)
-
Step 800
800
#264A97
oklch(42.8% 0.133 263.1)
-
Step 900
900 (this color)
#1A346D
oklch(34% 0.104 263.4)
-
Step 950
950
#152546
oklch(27% 0.065 263.2)
#1A346D 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) | #133B6F | 0.020 |
| Deuteranopia (no green cones) | #00336C | 0.020 |
| Tritanopia (no blue cones) | #00424B | 0.084 |
| Achromatopsia (no color) | #373737 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A346D
#1A346D
oklch(34% 0.104 263.4)
- #493400
#493400
oklch(34% 0.07 83.6)
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 #1A346D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.020
- Marine #042E60 ΔE 0.036
- Prussian Blue #1D3557 ΔE 0.040
- Twilight Blue #0A437A ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.065
- Midnight Blue #191970 ΔE 0.068
- Midnight Green #073B4C ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.074
Use #1A346D 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.