#0C346D
Closest named color: Marine Blue (#01386A). oklch(33.5% 0.109 258.4), rgb(12, 52, 109).
Aa
White text reads best on this color (12.15:1).
About this color
#0C346D is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.109 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.014 away. White text reads best on it, at 12.15:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #0C346D |
| RGB | rgb(12, 52, 109) |
| HSL | hsl(215, 80%, 24%) |
| OKLCH | oklch(33.5% 0.109 258.4) |
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 #0C346D | 12.15:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #0C346D | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #0C346D text on white | 12.15:1 | AAA | Lc 97.3 | Preferred for body text |
| #0C346D 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A1C3F6
oklch(81% 0.081 258.3)
-
Step 400
400
#6CA1F1
oklch(70.6% 0.131 258.4)
-
Step 500
500
#4487EC
oklch(63% 0.167 258.5)
-
Step 600
600
#236FDA
oklch(55.7% 0.18 258.2)
-
Step 700
700
#155CBE
oklch(49.2% 0.168 258.4)
-
Step 800
800
#154B99
oklch(42.6% 0.139 258.6)
-
Step 900
900 (this color)
#0C346D
oklch(33.5% 0.109 258.4)
-
Step 950
950
#0F2647
oklch(27% 0.068 257.7)
#0C346D 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) | #103A6F | 0.019 |
| Deuteranopia (no green cones) | #00326C | 0.010 |
| Tritanopia (no blue cones) | #00424B | 0.083 |
| Achromatopsia (no color) | #363636 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C346D
#0C346D
oklch(33.5% 0.109 258.4)
- #4A3100
#4A3100
oklch(33.4% 0.07 77.7)
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 #0C346D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.014
- Marine #042E60 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.048
- Midnight Blue #191970 ΔE 0.066
- Dark Blue Grey #1F3B4D ΔE 0.067
- Midnight Green #073B4C ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.078
Use #0C346D 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.