#0C356B
Closest named color: Marine Blue (#01386A). oklch(33.5% 0.104 257.2), rgb(12, 53, 107).
Aa
White text reads best on this color (12.08:1).
About this color
#0C356B is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.104 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.010 away. White text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #0C356B |
| RGB | rgb(12, 53, 107) |
| HSL | hsl(214, 80%, 23%) |
| OKLCH | oklch(33.5% 0.104 257.2) |
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 #0C356B | 12.08:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #0C356B | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #0C356B text on white | 12.08:1 | AAA | Lc 97.2 | Preferred for body text |
| #0C356B text on black | 1.73:1 | 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
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C7DBF6
oklch(88.5% 0.043 255.9)
-
Step 300
300
#A1C3F3
oklch(80.9% 0.078 257)
-
Step 400
400
#6DA2EE
oklch(70.7% 0.126 257.4)
-
Step 500
500
#4489E8
oklch(63.2% 0.159 257.1)
-
Step 600
600
#2270D6
oklch(55.6% 0.174 257.2)
-
Step 700
700
#145DBA
oklch(49.1% 0.162 257.3)
-
Step 800
800
#144D96
oklch(42.8% 0.133 256.9)
-
Step 900
900 (this color)
#0C356B
oklch(33.5% 0.104 257.2)
-
Step 950
950
#0F2646
oklch(26.9% 0.066 257.2)
#0C356B 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) | #163A6D | 0.018 |
| Deuteranopia (no green cones) | #00326A | 0.013 |
| Tritanopia (no blue cones) | #00424A | 0.080 |
| Achromatopsia (no color) | #363636 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C356B
#0C356B
oklch(33.5% 0.104 257.2)
- #4B3100
#4B3100
oklch(33.6% 0.07 76.6)
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 #0C356B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.010
- Marine #042E60 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.037
- Twilight Blue #0A437A ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.062
- Midnight Green #073B4C ΔE 0.063
- Midnight Blue #191970 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.073
Use #0C356B 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.