#0C547A
Closest named color: Deep Sea Blue (#015482). oklch(42.5% 0.09 239), rgb(12, 84, 122).
Aa
White text reads best on this color (8.18:1).
About this color
#0C547A is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.014 away. White text reads best on it, at 8.18:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #0C547A |
| RGB | rgb(12, 84, 122) |
| HSL | hsl(201, 82%, 26%) |
| OKLCH | oklch(42.5% 0.09 239) |
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 #0C547A | 8.18:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #0C547A | 2.56:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #0C547A text on white | 8.18:1 | AAA | Lc 87.9 | Fine for body text |
| #0C547A text on black | 2.56:1 | Fails | Lc -14.3 | 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 800.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DCEB
oklch(88.4% 0.03 240.2)
-
Step 300
300
#A2C6DF
oklch(80.9% 0.052 238.6)
-
Step 400
400
#6DA8D0
oklch(70.7% 0.085 239.2)
-
Step 500
500
#4292C3
oklch(63.1% 0.107 238.7)
-
Step 600
600
#187BB0
oklch(55.5% 0.118 239.1)
-
Step 700
700
#046897
oklch(49.2% 0.109 238.5)
-
Step 800
800 (this color)
#0C547A
oklch(42.5% 0.09 239)
-
Step 900
900
#164663
oklch(37.7% 0.071 239.4)
-
Step 950
950
#0F293A
oklch(26.9% 0.045 240)
#0C547A 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) | #42547C | 0.048 |
| Deuteranopia (no green cones) | #334B79 | 0.037 |
| Tritanopia (no blue cones) | #005E61 | 0.060 |
| Achromatopsia (no color) | #4F4F4F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C547A
#0C547A
oklch(42.5% 0.09 239)
- #724011
#724011
oklch(42.4% 0.091 58.6)
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 #0C547A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.014
- Light Navy #155084 ΔE 0.023
- Dusk Blue #26538D ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- Petrol #005F6A ΔE 0.050
- YInMn Blue #415A77 ΔE 0.052
- Twilight Blue #0A437A ΔE 0.053
- Cobalt #1E488F ΔE 0.055
Use #0C547A 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.