#0F516C
Closest named color: Deep Sea Blue (#015482). oklch(40.9% 0.076 231.3), rgb(15, 81, 108).
Aa
White text reads best on this color (8.69:1).
About this color
#0F516C is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.076 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.036 away. White text reads best on it, at 8.69:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #0F516C |
| RGB | rgb(15, 81, 108) |
| HSL | hsl(197, 76%, 24%) |
| OKLCH | oklch(40.9% 0.076 231.3) |
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 #0F516C | 8.69:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #0F516C | 2.41:1 | Fails | Lc 14.5 | Not readable |
| #0F516C text on white | 8.69:1 | AAA | Lc 89.5 | Fine for body text |
| #0F516C 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADDE7
oklch(88.6% 0.025 230.5)
-
Step 300
300
#A4C6D9
oklch(80.8% 0.045 232.5)
-
Step 400
400
#72A9C5
oklch(70.7% 0.071 231.2)
-
Step 500
500
#4993B7
oklch(63.1% 0.091 231.8)
-
Step 600
600
#257DA3
oklch(55.6% 0.099 231.5)
-
Step 700
700
#15698B
oklch(49% 0.092 231.3)
-
Step 800
800 (this color)
#0F516C
oklch(40.9% 0.076 231.3)
-
Step 900
900
#1B475B
oklch(37.7% 0.059 230.9)
-
Step 950
950
#112A36
oklch(27.1% 0.038 231.3)
#0F516C 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) | #43506D | 0.050 |
| Deuteranopia (no green cones) | #37476C | 0.044 |
| Tritanopia (no blue cones) | #00585A | 0.044 |
| Achromatopsia (no color) | #4B4B4B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F516C
#0F516C
oklch(40.9% 0.076 231.3)
- #6B3D20
#6B3D20
oklch(41% 0.077 51.3)
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 #0F516C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.036
- Deep Teal #00555A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.040
- Light Navy #155084 ΔE 0.042
- Petrol #005F6A ΔE 0.046
- Charcoal #264653 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.051
- Dark Teal #014D4E ΔE 0.052
Use #0F516C 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.