#0C4E7F
Closest named color: Light Navy (#155084). oklch(41.2% 0.102 247.3), rgb(12, 78, 127).
Aa
White text reads best on this color (8.70:1).
About this color
#0C4E7F is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.102 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.011 away. White text reads best on it, at 8.70:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.41:1 |
| White text | 8.70:1 |
Values
| HEX | #0C4E7F |
| RGB | rgb(12, 78, 127) |
| HSL | hsl(206, 83%, 27%) |
| OKLCH | oklch(41.2% 0.102 247.3) |
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 #0C4E7F | 8.70:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #0C4E7F | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #0C4E7F text on white | 8.70:1 | AAA | Lc 89.4 | Fine for body text |
| #0C4E7F text on black | 2.41:1 | Fails | Lc -12.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEE
oklch(88.5% 0.033 245.3)
-
Step 300
300
#A2C5E6
oklch(80.9% 0.06 247)
-
Step 400
400
#6EA6D9
oklch(70.6% 0.096 247.1)
-
Step 500
500
#448FCF
oklch(63.1% 0.122 247)
-
Step 600
600
#1F78BC
oklch(55.6% 0.133 247)
-
Step 700
700
#0F64A2
oklch(49% 0.124 247.4)
-
Step 800
800 (this color)
#0C4E7F
oklch(41.2% 0.102 247.3)
-
Step 900
900
#184469
oklch(37.6% 0.08 247.4)
-
Step 950
950
#10283E
oklch(27% 0.051 248.4)
#0C4E7F 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) | #365181 | 0.037 |
| Deuteranopia (no green cones) | #25477E | 0.024 |
| Tritanopia (no blue cones) | #005A60 | 0.073 |
| Achromatopsia (no color) | #4B4B4B | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C4E7F
#0C4E7F
oklch(41.2% 0.102 247.3)
- #6B4000
#6B4000
oklch(41.3% 0.091 67.8)
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 #0C4E7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.011
- Deep Sea Blue #015482 ΔE 0.018
- Dusk Blue #26538D ΔE 0.033
- Twilight Blue #0A437A ΔE 0.034
- Cobalt #1E488F ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.048
- Dark Grey Blue #29465B ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.065
Use #0C4E7F 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.