#1D3468
Closest named color: Marine Blue (#01386A). oklch(33.7% 0.096 264), rgb(29, 52, 104).
Aa
White text reads best on this color (12.04:1).
About this color
#1D3468 is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.096 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.021 away. White text reads best on it, at 12.04:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.74:1 |
| White text | 12.04:1 |
Values
| HEX | #1D3468 |
| RGB | rgb(29, 52, 104) |
| HSL | hsl(222, 56%, 26%) |
| OKLCH | oklch(33.7% 0.096 264) |
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 #1D3468 | 12.04:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #1D3468 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #1D3468 text on white | 12.04:1 | AAA | Lc 97.3 | Preferred for body text |
| #1D3468 text on black | 1.74:1 | 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
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CCDAF4
oklch(88.6% 0.039 262.9)
-
Step 300
300
#A9C1F0
oklch(80.9% 0.072 263.7)
-
Step 400
400
#7C9FE8
oklch(70.6% 0.114 264.1)
-
Step 500
500
#5B86E2
oklch(63.2% 0.147 263.8)
-
Step 600
600
#426DCF
oklch(55.6% 0.159 264.1)
-
Step 700
700
#345BB4
oklch(49.2% 0.148 264)
-
Step 800
800
#2B4A91
oklch(42.6% 0.123 264.1)
-
Step 900
900 (this color)
#1D3468
oklch(33.7% 0.096 264)
-
Step 950
950
#172544
oklch(27% 0.061 264.4)
#1D3468 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) | #193A6A | 0.018 |
| Deuteranopia (no green cones) | #083367 | 0.018 |
| Tritanopia (no blue cones) | #004049 | 0.077 |
| Achromatopsia (no color) | #363636 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D3468
#1D3468
oklch(33.7% 0.096 264)
- #483300
#483300
oklch(33.6% 0.069 83.2)
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 #1D3468, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.031
- Marine #042E60 ΔE 0.033
- Twilight Blue #0A437A ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.057
- Midnight Green #073B4C ΔE 0.062
- Space Cadet #2B2D42 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.069
Use #1D3468 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.