#0C506E
Closest named color: Deep Sea Blue (#015482). oklch(40.7% 0.08 233.9), rgb(12, 80, 110).
Aa
White text reads best on this color (8.79:1).
About this color
#0C506E is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.080 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.033 away. White text reads best on it, at 8.79:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #0C506E |
| RGB | rgb(12, 80, 110) |
| HSL | hsl(198, 80%, 24%) |
| OKLCH | oklch(40.7% 0.08 233.9) |
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 #0C506E | 8.79:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #0C506E | 2.38:1 | Fails | Lc 14.3 | Not readable |
| #0C506E text on white | 8.79:1 | AAA | Lc 89.7 | Fine for body text |
| #0C506E text on black | 2.38:1 | Fails | Lc -12.5 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF2
oklch(93.7% 0.013 233.7)
-
Step 200
200
#C9DCE8
oklch(88.4% 0.026 235.4)
-
Step 300
300
#A4C6DB
oklch(80.9% 0.047 235.3)
-
Step 400
400
#71A9C8
oklch(70.8% 0.074 233.5)
-
Step 500
500
#4793BA
oklch(63.1% 0.095 233.4)
-
Step 600
600
#237CA6
oklch(55.5% 0.103 234.1)
-
Step 700
700
#13698F
oklch(49.2% 0.097 234)
-
Step 800
800 (this color)
#0C506E
oklch(40.7% 0.08 233.9)
-
Step 900
900
#1A475E
oklch(37.8% 0.063 234.2)
-
Step 950
950
#112A37
oklch(27.2% 0.039 233.4)
#0C506E 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) | #414F6F | 0.049 |
| Deuteranopia (no green cones) | #34476E | 0.040 |
| Tritanopia (no blue cones) | #00585A | 0.049 |
| Achromatopsia (no color) | #4A4A4A | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C506E
#0C506E
oklch(40.7% 0.08 233.9)
- #6B3C1B
#6B3C1B
oklch(40.7% 0.081 53.3)
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 #0C506E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.033
- Light Navy #155084 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.040
- Deep Teal #00555A ΔE 0.043
- Charcoal #264653 ΔE 0.049
- Twilight Blue #0A437A ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Dark Teal #014D4E ΔE 0.055
Use #0C506E 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.