#1A3464
Closest named color: Marine Blue (#01386A). oklch(33.3% 0.091 261.5), rgb(26, 52, 100).
Aa
White text reads best on this color (12.21:1).
About this color
#1A3464 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.091 and its hue 261°. 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 12.21:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.71:1 |
| White text | 12.21:1 |
Values
| HEX | #1A3464 |
| RGB | rgb(26, 52, 100) |
| HSL | hsl(219, 59%, 25%) |
| OKLCH | oklch(33.3% 0.091 261.5) |
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 #1A3464 | 12.21:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #1A3464 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #1A3464 text on white | 12.21:1 | AAA | Lc 97.6 | Preferred for body text |
| #1A3464 text on black | 1.71:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200
#CCDAF3
oklch(88.6% 0.038 262.1)
-
Step 300
300
#A8C2ED
oklch(80.9% 0.067 260.4)
-
Step 400
400
#7AA1E4
oklch(70.7% 0.108 260.9)
-
Step 500
500
#5987DD
oklch(63% 0.14 261.9)
-
Step 600
600
#3E6FCA
oklch(55.5% 0.151 261.5)
-
Step 700
700
#305DAF
oklch(49.1% 0.14 261.2)
-
Step 800
800
#294C8E
oklch(42.7% 0.117 261.7)
-
Step 900
900 (this color)
#1A3464
oklch(33.3% 0.091 261.5)
-
Step 950
950
#162642
oklch(27% 0.057 260.9)
#1A3464 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) | #1C3966 | 0.016 |
| Deuteranopia (no green cones) | #0E3263 | 0.013 |
| Tritanopia (no blue cones) | #003F47 | 0.072 |
| Achromatopsia (no color) | #353535 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A3464
#1A3464
oklch(33.3% 0.091 261.5)
- #483200
#483200
oklch(33.4% 0.069 81.7)
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 #1A3464, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.020
- Prussian Blue #1D3557 ΔE 0.024
- Marine #042E60 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.051
- Twilight Blue #0A437A ΔE 0.054
- Midnight Green #073B4C ΔE 0.055
- Space Cadet #2B2D42 ΔE 0.062
- Gunmetal #293241 ΔE 0.063
Use #1A3464 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.